Sr Examen

Otras calculadoras

sqrt(9x+100)-(sqrt^4(9x+100))=2 la ecuación

El profesor se sorprenderá mucho al ver tu solución correcta😉

v

Solución numérica:

Buscar la solución numérica en el intervalo [, ]

Solución

Ha introducido [src]
                             4    
  ___________     ___________     
\/ 9*x + 100  - \/ 9*x + 100   = 2
$$- \left(\sqrt{9 x + 100}\right)^{4} + \sqrt{9 x + 100} = 2$$
Respuesta rápida [src]
                                                                                                                                ____________________________________________________________________________________________________
                                                                                                                               / |              /      /    ______\     \                                                         | 
                                                                                                                              /  |              |      |3*\/ 6063 |     |                                                         | 
                                                                                                                             /   |              |  atan|----------|     |                                                         | 
                                                                                                                            /    |              |      \   997    /   pi|                                                         | 
                                                                                                                           /     |        16*cos|- ---------------- + --|                                                         | 
                                                                                                                          /      |   16         \         3           3 /                             2                           | 
                       ___________________________________________________________________________________   I*          /       |- --- - ------------------------------- + ------------------------------------------------------| 
                      /                __________________________                                                       /        |  243                 243                              _________________________________________| 
                     /                /                   ______                                                       /         |                                                      /               /      /    ______\     \ | 
                    /      8         /       997      I*\/ 6063                       32                              /          |                                                     /                |      |3*\/ 6063 |     | | 
                   /    - --- + 2*3 /   - --------- + ----------  + -------------------------------------            /           |                                                    /                 |  atan|----------|     | | 
                  /       243     \/      229582512    76527504                __________________________           /            |                                                   /                  |      \   997    /   pi| | 
                 /                                                            /                   ______           /             |                                                  /             16*cos|- ---------------- + --| | 
                /                                                            /       997      I*\/ 6063           /              |                                                 /         8          \         3           3 / | 
               /                                                    59049*3 /   - --------- + ----------         /               |                                          729*  /       - --- + ------------------------------- | 
       100   \/                                                           \/      229582512    76527504        \/                |                                              \/          243                 243               | 
x1 = - --- + --------------------------------------------------------------------------------------------- - -----------------------------------------------------------------------------------------------------------------------
        9                                                  2                                                                                                            2                                                           
$$x_{1} = - \frac{100}{9} - \frac{i \sqrt{\left|{- \frac{16}{243} - \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243} + \frac{2}{729 \sqrt{- \frac{8}{243} + \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243}}}}\right|}}{2} + \frac{\sqrt{- \frac{8}{243} + \frac{32}{59049 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}} + 2 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}}}{2}$$
                                                                                                                                ____________________________________________________________________________________________________
                                                                                                                               / |              /      /    ______\     \                                                         | 
                                                                                                                              /  |              |      |3*\/ 6063 |     |                                                         | 
                                                                                                                             /   |              |  atan|----------|     |                                                         | 
                                                                                                                            /    |              |      \   997    /   pi|                                                         | 
                                                                                                                           /     |        16*cos|- ---------------- + --|                                                         | 
                                                                                                                          /      |   16         \         3           3 /                             2                           | 
                       ___________________________________________________________________________________   I*          /       |- --- - ------------------------------- + ------------------------------------------------------| 
                      /                __________________________                                                       /        |  243                 243                              _________________________________________| 
                     /                /                   ______                                                       /         |                                                      /               /      /    ______\     \ | 
                    /      8         /       997      I*\/ 6063                       32                              /          |                                                     /                |      |3*\/ 6063 |     | | 
                   /    - --- + 2*3 /   - --------- + ----------  + -------------------------------------            /           |                                                    /                 |  atan|----------|     | | 
                  /       243     \/      229582512    76527504                __________________________           /            |                                                   /                  |      \   997    /   pi| | 
                 /                                                            /                   ______           /             |                                                  /             16*cos|- ---------------- + --| | 
                /                                                            /       997      I*\/ 6063           /              |                                                 /         8          \         3           3 / | 
               /                                                    59049*3 /   - --------- + ----------         /               |                                          729*  /       - --- + ------------------------------- | 
       100   \/                                                           \/      229582512    76527504        \/                |                                              \/          243                 243               | 
x2 = - --- + --------------------------------------------------------------------------------------------- + -----------------------------------------------------------------------------------------------------------------------
        9                                                  2                                                                                                            2                                                           
$$x_{2} = - \frac{100}{9} + \frac{\sqrt{- \frac{8}{243} + \frac{32}{59049 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}} + 2 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}}}{2} + \frac{i \sqrt{\left|{- \frac{16}{243} - \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243} + \frac{2}{729 \sqrt{- \frac{8}{243} + \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243}}}}\right|}}{2}$$
x2 = -100/9 + sqrt(-8/243 + 32/(59049*(-997/229582512 + sqrt(6063)*i/76527504)^(1/3)) + 2*(-997/229582512 + sqrt(6063)*i/76527504)^(1/3))/2 + i*sqrt(Abs(-16/243 - 16*cos(-atan(3*sqrt(6063)/997)/3 + pi/3)/243 + 2/(729*sqrt(-8/243 + 16*cos(-atan(3*sqrt(6063)/997)/3 + pi/3)/243))))/2
Suma y producto de raíces [src]
suma
                                                                                                                           ____________________________________________________________________________________________________                                                                                                                              ____________________________________________________________________________________________________
                                                                                                                          / |              /      /    ______\     \                                                         |                                                                                                                              / |              /      /    ______\     \                                                         | 
                                                                                                                         /  |              |      |3*\/ 6063 |     |                                                         |                                                                                                                             /  |              |      |3*\/ 6063 |     |                                                         | 
                                                                                                                        /   |              |  atan|----------|     |                                                         |                                                                                                                            /   |              |  atan|----------|     |                                                         | 
                                                                                                                       /    |              |      \   997    /   pi|                                                         |                                                                                                                           /    |              |      \   997    /   pi|                                                         | 
                                                                                                                      /     |        16*cos|- ---------------- + --|                                                         |                                                                                                                          /     |        16*cos|- ---------------- + --|                                                         | 
                                                                                                                     /      |   16         \         3           3 /                             2                           |                                                                                                                         /      |   16         \         3           3 /                             2                           | 
                  ___________________________________________________________________________________   I*          /       |- --- - ------------------------------- + ------------------------------------------------------|                      ___________________________________________________________________________________   I*          /       |- --- - ------------------------------- + ------------------------------------------------------| 
                 /                __________________________                                                       /        |  243                 243                              _________________________________________|                     /                __________________________                                                       /        |  243                 243                              _________________________________________| 
                /                /                   ______                                                       /         |                                                      /               /      /    ______\     \ |                    /                /                   ______                                                       /         |                                                      /               /      /    ______\     \ | 
               /      8         /       997      I*\/ 6063                       32                              /          |                                                     /                |      |3*\/ 6063 |     | |                   /      8         /       997      I*\/ 6063                       32                              /          |                                                     /                |      |3*\/ 6063 |     | | 
              /    - --- + 2*3 /   - --------- + ----------  + -------------------------------------            /           |                                                    /                 |  atan|----------|     | |                  /    - --- + 2*3 /   - --------- + ----------  + -------------------------------------            /           |                                                    /                 |  atan|----------|     | | 
             /       243     \/      229582512    76527504                __________________________           /            |                                                   /                  |      \   997    /   pi| |                 /       243     \/      229582512    76527504                __________________________           /            |                                                   /                  |      \   997    /   pi| | 
            /                                                            /                   ______           /             |                                                  /             16*cos|- ---------------- + --| |                /                                                            /                   ______           /             |                                                  /             16*cos|- ---------------- + --| | 
           /                                                            /       997      I*\/ 6063           /              |                                                 /         8          \         3           3 / |               /                                                            /       997      I*\/ 6063           /              |                                                 /         8          \         3           3 / | 
          /                                                    59049*3 /   - --------- + ----------         /               |                                          729*  /       - --- + ------------------------------- |              /                                                    59049*3 /   - --------- + ----------         /               |                                          729*  /       - --- + ------------------------------- | 
  100   \/                                                           \/      229582512    76527504        \/                |                                              \/          243                 243               |      100   \/                                                           \/      229582512    76527504        \/                |                                              \/          243                 243               | 
- --- + --------------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------------------------------------- + - --- + --------------------------------------------------------------------------------------------- + -----------------------------------------------------------------------------------------------------------------------
   9                                                  2                                                                                                            2                                                                 9                                                  2                                                                                                            2                                                           
$$\left(- \frac{100}{9} - \frac{i \sqrt{\left|{- \frac{16}{243} - \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243} + \frac{2}{729 \sqrt{- \frac{8}{243} + \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243}}}}\right|}}{2} + \frac{\sqrt{- \frac{8}{243} + \frac{32}{59049 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}} + 2 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}}}{2}\right) + \left(- \frac{100}{9} + \frac{\sqrt{- \frac{8}{243} + \frac{32}{59049 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}} + 2 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}}}{2} + \frac{i \sqrt{\left|{- \frac{16}{243} - \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243} + \frac{2}{729 \sqrt{- \frac{8}{243} + \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243}}}}\right|}}{2}\right)$$
=
                  ___________________________________________________________________________________
                 /                __________________________                                         
                /                /                   ______                                          
  200          /      8         /       997      I*\/ 6063                       32                  
- --- +       /    - --- + 2*3 /   - --------- + ----------  + ------------------------------------- 
   9         /       243     \/      229582512    76527504                __________________________ 
            /                                                            /                   ______  
           /                                                            /       997      I*\/ 6063   
          /                                                    59049*3 /   - --------- + ----------  
        \/                                                           \/      229582512    76527504   
$$- \frac{200}{9} + \sqrt{- \frac{8}{243} + \frac{32}{59049 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}} + 2 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}}$$
producto
/                                                                                                                           ____________________________________________________________________________________________________\ /                                                                                                                           ____________________________________________________________________________________________________\
|                                                                                                                          / |              /      /    ______\     \                                                         | | |                                                                                                                          / |              /      /    ______\     \                                                         | |
|                                                                                                                         /  |              |      |3*\/ 6063 |     |                                                         | | |                                                                                                                         /  |              |      |3*\/ 6063 |     |                                                         | |
|                                                                                                                        /   |              |  atan|----------|     |                                                         | | |                                                                                                                        /   |              |  atan|----------|     |                                                         | |
|                                                                                                                       /    |              |      \   997    /   pi|                                                         | | |                                                                                                                       /    |              |      \   997    /   pi|                                                         | |
|                                                                                                                      /     |        16*cos|- ---------------- + --|                                                         | | |                                                                                                                      /     |        16*cos|- ---------------- + --|                                                         | |
|                                                                                                                     /      |   16         \         3           3 /                             2                           | | |                                                                                                                     /      |   16         \         3           3 /                             2                           | |
|                  ___________________________________________________________________________________   I*          /       |- --- - ------------------------------- + ------------------------------------------------------| | |                  ___________________________________________________________________________________   I*          /       |- --- - ------------------------------- + ------------------------------------------------------| |
|                 /                __________________________                                                       /        |  243                 243                              _________________________________________| | |                 /                __________________________                                                       /        |  243                 243                              _________________________________________| |
|                /                /                   ______                                                       /         |                                                      /               /      /    ______\     \ | | |                /                /                   ______                                                       /         |                                                      /               /      /    ______\     \ | |
|               /      8         /       997      I*\/ 6063                       32                              /          |                                                     /                |      |3*\/ 6063 |     | | | |               /      8         /       997      I*\/ 6063                       32                              /          |                                                     /                |      |3*\/ 6063 |     | | |
|              /    - --- + 2*3 /   - --------- + ----------  + -------------------------------------            /           |                                                    /                 |  atan|----------|     | | | |              /    - --- + 2*3 /   - --------- + ----------  + -------------------------------------            /           |                                                    /                 |  atan|----------|     | | |
|             /       243     \/      229582512    76527504                __________________________           /            |                                                   /                  |      \   997    /   pi| | | |             /       243     \/      229582512    76527504                __________________________           /            |                                                   /                  |      \   997    /   pi| | |
|            /                                                            /                   ______           /             |                                                  /             16*cos|- ---------------- + --| | | |            /                                                            /                   ______           /             |                                                  /             16*cos|- ---------------- + --| | |
|           /                                                            /       997      I*\/ 6063           /              |                                                 /         8          \         3           3 / | | |           /                                                            /       997      I*\/ 6063           /              |                                                 /         8          \         3           3 / | |
|          /                                                    59049*3 /   - --------- + ----------         /               |                                          729*  /       - --- + ------------------------------- | | |          /                                                    59049*3 /   - --------- + ----------         /               |                                          729*  /       - --- + ------------------------------- | |
|  100   \/                                                           \/      229582512    76527504        \/                |                                              \/          243                 243               | | |  100   \/                                                           \/      229582512    76527504        \/                |                                              \/          243                 243               | |
|- --- + --------------------------------------------------------------------------------------------- - -----------------------------------------------------------------------------------------------------------------------|*|- --- + --------------------------------------------------------------------------------------------- + -----------------------------------------------------------------------------------------------------------------------|
\   9                                                  2                                                                                                            2                                                           / \   9                                                  2                                                                                                            2                                                           /
$$\left(- \frac{100}{9} - \frac{i \sqrt{\left|{- \frac{16}{243} - \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243} + \frac{2}{729 \sqrt{- \frac{8}{243} + \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243}}}}\right|}}{2} + \frac{\sqrt{- \frac{8}{243} + \frac{32}{59049 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}} + 2 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}}}{2}\right) \left(- \frac{100}{9} + \frac{\sqrt{- \frac{8}{243} + \frac{32}{59049 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}} + 2 \sqrt[3]{- \frac{997}{229582512} + \frac{\sqrt{6063} i}{76527504}}}}{2} + \frac{i \sqrt{\left|{- \frac{16}{243} - \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243} + \frac{2}{729 \sqrt{- \frac{8}{243} + \frac{16 \cos{\left(- \frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{3} \right)}}{243}}}}\right|}}{2}\right)$$
=
                                                       ________________________________________________________________                                                                                                                
             /    /    ______\     \                  /               _____________________              3 ___                                                                                                                         
             |    |3*\/ 6063 |     |        ___      /         2/3 3 /              ______           128*\/ 2                                                                                                                          
             |atan|----------|     |   50*\/ 6 *    /   -16 + 2   *\/  -997 + 3*I*\/ 6063   + ------------------------                                                                                                                 
             |    \   997    /   pi|               /                                             _____________________                                                             _____________________                               
        4*sin|---------------- + --|              /                                           3 /              ______                           ___                         2/3 3 /              ______                 3 ___          
30002        \       3           6 /            \/                                            \/  -997 + 3*I*\/ 6063                          \/ 6                         2   *\/  -997 + 3*I*\/ 6063               16*\/ 2           
----- + ---------------------------- - -------------------------------------------------------------------------------- - ---------------------------------------------- + ----------------------------- + ----------------------------
 243                243                                                      243                                                     ___________________________________                1944                      _____________________
                                                                                                                                    /           /    /    ______\     \                                        3 /              ______ 
                                                                                                                                   /            |    |3*\/ 6063 |     |                                    243*\/  -997 + 3*I*\/ 6063  
                                                                                                                                  /             |atan|----------|     |                                                                
                                                                                                                                 /              |    \   997    /   pi|                                                                
                                                                                                                          648*  /     -1 + 2*sin|---------------- + --|                                                                
                                                                                                                              \/                \       3           6 /                                                                
$$- \frac{\sqrt{6}}{648 \sqrt{-1 + 2 \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{6} \right)}}} + \frac{4 \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{6063}}{997} \right)}}{3} + \frac{\pi}{6} \right)}}{243} + \frac{30002}{243} + \frac{16 \sqrt[3]{2}}{243 \sqrt[3]{-997 + 3 \sqrt{6063} i}} - \frac{50 \sqrt{6} \sqrt{-16 + \frac{128 \sqrt[3]{2}}{\sqrt[3]{-997 + 3 \sqrt{6063} i}} + 2^{\frac{2}{3}} \sqrt[3]{-997 + 3 \sqrt{6063} i}}}{243} + \frac{2^{\frac{2}{3}} \sqrt[3]{-997 + 3 \sqrt{6063} i}}{1944}$$
30002/243 + 4*sin(atan(3*sqrt(6063)/997)/3 + pi/6)/243 - 50*sqrt(6)*sqrt(-16 + 2^(2/3)*(-997 + 3*i*sqrt(6063))^(1/3) + 128*2^(1/3)/(-997 + 3*i*sqrt(6063))^(1/3))/243 - sqrt(6)/(648*sqrt(-1 + 2*sin(atan(3*sqrt(6063)/997)/3 + pi/6))) + 2^(2/3)*(-997 + 3*i*sqrt(6063))^(1/3)/1944 + 16*2^(1/3)/(243*(-997 + 3*i*sqrt(6063))^(1/3))
Respuesta numérica [src]
x1 = -11.0784255440507 + 0.123562730708209*i
x2 = -11.0784255440507 - 0.123562730708209*i
x3 = -11.0784255440507 - 0.12356273070821*i
x4 = -11.0784255440507 + 0.123562730708209*i
x4 = -11.0784255440507 + 0.123562730708209*i