2*((((x-2)^2)/4)+(25/(x-2)^2))=(x-2)/2-5/(x-2) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Gráfica
0 2 4 6 8 -8 -6 -4 -2 -10 10 -1000000 1000000
/ / / ____\\\ / / ____\\
| | |\/ 79 ||| | |\/ 79 ||
| |atan|------||| |atan|------||
| 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /|
| ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------|
9 | \/ 79 \ 2 /| \ 2 /
x1 = - + I*|- ------ + -----------------------------| - -----------------------------
4 \ 4 2 / 2
x 1 = − 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + 9 4 + i ( − 79 4 + 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 ) x_{1} = - \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{9}{4} + i \left(- \frac{\sqrt{79}}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2}\right) x 1 = − 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + 4 9 + i − 4 79 + 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) )
/ / / ____\\\ / / ____\\
| | |\/ 79 ||| | |\/ 79 ||
| |atan|------||| |atan|------||
| 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /|
| ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------|
9 | \/ 79 \ 2 /| \ 2 /
x2 = - + I*|- ------ - -----------------------------| + -----------------------------
4 \ 4 2 / 2
x 2 = 9 4 + 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + i ( − 79 4 − 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 ) x_{2} = \frac{9}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + i \left(- \frac{\sqrt{79}}{4} - \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2}\right) x 2 = 4 9 + 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + i − 4 79 − 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) )
/ / / ____\\\ / / ____\\
| | |\/ 79 ||| | |\/ 79 ||
| |atan|------||| |atan|------||
| 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /|
| ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------|
9 |\/ 79 \ 2 /| \ 2 /
x3 = - + I*|------ - -----------------------------| - -----------------------------
4 \ 4 2 / 2
x 3 = − 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + 9 4 + i ( − 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 + 79 4 ) x_{3} = - \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{9}{4} + i \left(- \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{\sqrt{79}}{4}\right) x 3 = − 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + 4 9 + i − 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + 4 79
/ / / ____\\\ / / ____\\
| | |\/ 79 ||| | |\/ 79 ||
| |atan|------||| |atan|------||
| 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /|
| ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------|
9 |\/ 79 \ 2 /| \ 2 /
x4 = - + I*|------ + -----------------------------| + -----------------------------
4 \ 4 2 / 2
x 4 = 9 4 + 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + i ( 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 + 79 4 ) x_{4} = \frac{9}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + i \left(\frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{\sqrt{79}}{4}\right) x 4 = 4 9 + 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + i 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + 4 79
x4 = 9/4 + 2^(3/4)*55^(1/4)*cos(atan(sqrt(79)/41)/2)/2 + i*(2^(3/4)*55^(1/4)*sin(atan(sqrt(79)/41)/2)/2 + sqrt(79)/4)
Suma y producto de raíces
[src]
/ / / ____\\\ / / ____\\ / / / ____\\\ / / ____\\ / / / ____\\\ / / ____\\ / / / ____\\\ / / ____\\
| | |\/ 79 ||| | |\/ 79 || | | |\/ 79 ||| | |\/ 79 || | | |\/ 79 ||| | |\/ 79 || | | |\/ 79 ||| | |\/ 79 ||
| |atan|------||| |atan|------|| | |atan|------||| |atan|------|| | |atan|------||| |atan|------|| | |atan|------||| |atan|------||
| 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /| | 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /| | 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /| | 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /|
| ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------| | ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------| | ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------| | ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------|
9 | \/ 79 \ 2 /| \ 2 / 9 | \/ 79 \ 2 /| \ 2 / 9 |\/ 79 \ 2 /| \ 2 / 9 |\/ 79 \ 2 /| \ 2 /
- + I*|- ------ + -----------------------------| - ----------------------------- + - + I*|- ------ - -----------------------------| + ----------------------------- + - + I*|------ - -----------------------------| - ----------------------------- + - + I*|------ + -----------------------------| + -----------------------------
4 \ 4 2 / 2 4 \ 4 2 / 2 4 \ 4 2 / 2 4 \ 4 2 / 2
( ( ( 9 4 + 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + i ( − 79 4 − 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 ) ) + ( − 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + 9 4 + i ( − 79 4 + 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 ) ) ) + ( − 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + 9 4 + i ( − 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 + 79 4 ) ) ) + ( 9 4 + 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + i ( 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 + 79 4 ) ) \left(\left(\left(\frac{9}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + i \left(- \frac{\sqrt{79}}{4} - \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2}\right)\right) + \left(- \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{9}{4} + i \left(- \frac{\sqrt{79}}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2}\right)\right)\right) + \left(- \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{9}{4} + i \left(- \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{\sqrt{79}}{4}\right)\right)\right) + \left(\frac{9}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + i \left(\frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{\sqrt{79}}{4}\right)\right) 4 9 + 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + i − 4 79 − 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + − 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + 4 9 + i − 4 79 + 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + − 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + 4 9 + i − 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + 4 79 + 4 9 + 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + i 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + 4 79
/ / / ____\\\ / / / ____\\\ / / / ____\\\ / / / ____\\\
| | |\/ 79 ||| | | |\/ 79 ||| | | |\/ 79 ||| | | |\/ 79 |||
| |atan|------||| | |atan|------||| | |atan|------||| | |atan|------|||
| 3/4 4 ____ | \ 41 /|| | 3/4 4 ____ | \ 41 /|| | 3/4 4 ____ | \ 41 /|| | 3/4 4 ____ | \ 41 /||
| ____ 2 *\/ 55 *sin|------------|| | ____ 2 *\/ 55 *sin|------------|| | ____ 2 *\/ 55 *sin|------------|| | ____ 2 *\/ 55 *sin|------------||
| \/ 79 \ 2 /| | \/ 79 \ 2 /| |\/ 79 \ 2 /| |\/ 79 \ 2 /|
9 + I*|- ------ + -----------------------------| + I*|- ------ - -----------------------------| + I*|------ + -----------------------------| + I*|------ - -----------------------------|
\ 4 2 / \ 4 2 / \ 4 2 / \ 4 2 /
9 + i ( − 79 4 − 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 ) + i ( − 79 4 + 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 ) + i ( − 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 + 79 4 ) + i ( 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 + 79 4 ) 9 + i \left(- \frac{\sqrt{79}}{4} - \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2}\right) + i \left(- \frac{\sqrt{79}}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2}\right) + i \left(- \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{\sqrt{79}}{4}\right) + i \left(\frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{\sqrt{79}}{4}\right) 9 + i − 4 79 − 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + i − 4 79 + 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + i − 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + 4 79 + i 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + 4 79
/ / / / ____\\\ / / ____\\\ / / / / ____\\\ / / ____\\\ / / / / ____\\\ / / ____\\\ / / / / ____\\\ / / ____\\\
| | | |\/ 79 ||| | |\/ 79 ||| | | | |\/ 79 ||| | |\/ 79 ||| | | | |\/ 79 ||| | |\/ 79 ||| | | | |\/ 79 ||| | |\/ 79 |||
| | |atan|------||| |atan|------||| | | |atan|------||| |atan|------||| | | |atan|------||| |atan|------||| | | |atan|------||| |atan|------|||
| | 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /|| | | 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /|| | | 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /|| | | 3/4 4 ____ | \ 41 /|| 3/4 4 ____ | \ 41 /||
| | ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------|| | | ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------|| | | ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------|| | | ____ 2 *\/ 55 *sin|------------|| 2 *\/ 55 *cos|------------||
|9 | \/ 79 \ 2 /| \ 2 /| |9 | \/ 79 \ 2 /| \ 2 /| |9 |\/ 79 \ 2 /| \ 2 /| |9 |\/ 79 \ 2 /| \ 2 /|
|- + I*|- ------ + -----------------------------| - -----------------------------|*|- + I*|- ------ - -----------------------------| + -----------------------------|*|- + I*|------ - -----------------------------| - -----------------------------|*|- + I*|------ + -----------------------------| + -----------------------------|
\4 \ 4 2 / 2 / \4 \ 4 2 / 2 / \4 \ 4 2 / 2 / \4 \ 4 2 / 2 /
( 9 4 + 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + i ( − 79 4 − 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 ) ) ( − 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + 9 4 + i ( − 79 4 + 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 ) ) ( − 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + 9 4 + i ( − 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 + 79 4 ) ) ( 9 4 + 2 3 4 55 4 cos ( atan ( 79 41 ) 2 ) 2 + i ( 2 3 4 55 4 sin ( atan ( 79 41 ) 2 ) 2 + 79 4 ) ) \left(\frac{9}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + i \left(- \frac{\sqrt{79}}{4} - \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2}\right)\right) \left(- \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{9}{4} + i \left(- \frac{\sqrt{79}}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2}\right)\right) \left(- \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{9}{4} + i \left(- \frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{\sqrt{79}}{4}\right)\right) \left(\frac{9}{4} + \frac{2^{\frac{3}{4}} \sqrt[4]{55} \cos{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + i \left(\frac{2^{\frac{3}{4}} \sqrt[4]{55} \sin{\left(\frac{\operatorname{atan}{\left(\frac{\sqrt{79}}{41} \right)}}{2} \right)}}{2} + \frac{\sqrt{79}}{4}\right)\right) 4 9 + 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + i − 4 79 − 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) − 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + 4 9 + i − 4 79 + 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) − 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + 4 9 + i − 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + 4 79 4 9 + 2 2 4 3 4 55 cos ( 2 atan ( 41 79 ) ) + i 2 2 4 3 4 55 sin ( 2 atan ( 41 79 ) ) + 4 79
x1 = -0.0269545714452405 - 1.97807704773801*i
x2 = 4.52695457144524 - 2.46602016091978*i
x3 = -0.0269545714452405 + 1.97807704773801*i
x4 = 4.52695457144524 + 2.46602016091978*i
x4 = 4.52695457144524 + 2.46602016091978*i