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- La ecuación:
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Ecuación (|x|)=-2
- Ecuación -(1/5)*x^2+45=0
-
Ecuación (x+2)(2x-8)-14=0
- Ecuación 16*y^2-49=0
- Expresar {x} en función de y en la ecuación:
- -17*x+9*y=-18
- -19*x-4*y=5
- -8*x-1*y=9
- 4*x+4*y=13
- Forma canónica:
- (x-2)*(x-4)*(x-7)
-
Expresiones idénticas
- (x- dos)*(x- cuatro)*(x- siete)=x
- (x menos 2) multiplicar por (x menos 4) multiplicar por (x menos 7) es igual a x
- (x menos dos) multiplicar por (x menos cuatro) multiplicar por (x menos siete) es igual a x
- (x-2)(x-4)(x-7)=x
- x-2x-4x-7=x
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Expresiones semejantes
- (x-2)*(x+4)*(x-7)=x
- (x-2)*(x-4)*(x+7)=x
- (x+2)*(x-4)*(x-7)=x
(x-2)*(x-4)*(x-7)=x la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Ha introducido
[src]
(x - 2)*(x - 4)*(x - 7) = x
$$\left(x - 4\right) \left(x - 2\right) \left(x - 7\right) = x$$
Suma y producto de raíces
[src]
suma
/ 1 \ / / 1 \ \ / 1 \ / / 1 \ \
22*re|---------------------------------------| |22*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\ 22*re|---------------------------------------| |22*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\
| __________________| | | __________________| | |3*\/ 1407 || | |3*\/ 1407 ||| | |3*\/ 1407 || | |3*\/ 1407 || | __________________| | | __________________| | |3*\/ 1407 || | |3*\/ 1407 ||| | |3*\/ 1407 || | |3*\/ 1407 ||
|/ ___\ / ______ | | |/ ___\ / ______ | |atan|----------|| |atan|----------||| |atan|----------|| |atan|----------|| |/ ___\ / ______ | | |/ ___\ / ______ | |atan|----------|| |atan|----------||| |atan|----------|| |atan|----------||
|| 1 I*\/ 3 | / 173 I*\/ 1407 | | || 1 I*\/ 3 | / 173 I*\/ 1407 | ____ | \ 173 /| ____ | \ 173 /|| ____ | \ 173 /| ____ | \ 173 /| || 1 I*\/ 3 | / 173 I*\/ 1407 | | || 1 I*\/ 3 | / 173 I*\/ 1407 | ____ | \ 173 /| ____ | \ 173 /|| ____ | \ 173 /| ____ | \ 173 /| __________________
||- - - -------|*3 / --- + ---------- | | ||- - - -------|*3 / --- + ---------- | \/ 22 *sin|----------------| \/ 66 *cos|----------------|| \/ 22 *cos|----------------| \/ 66 *sin|----------------| ||- - + -------|*3 / --- + ---------- | | ||- - + -------|*3 / --- + ---------- | \/ 22 *sin|----------------| \/ 66 *cos|----------------|| \/ 22 *cos|----------------| \/ 66 *sin|----------------| / ______
13 \\ 2 2 / \/ 54 18 / | \\ 2 2 / \/ 54 18 / \ 3 / \ 3 /| \ 3 / \ 3 / 13 \\ 2 2 / \/ 54 18 / | \\ 2 2 / \/ 54 18 / \ 3 / \ 3 /| \ 3 / \ 3 / 13 / 173 I*\/ 1407 22
-- + ---------------------------------------------- + I*|---------------------------------------------- - ---------------------------- - ----------------------------| - ---------------------------- + ---------------------------- + -- + ---------------------------------------------- + I*|---------------------------------------------- - ---------------------------- + ----------------------------| - ---------------------------- - ---------------------------- + -- + 3 / --- + ---------- + -------------------------
3 9 \ 9 6 6 / 6 6 3 9 \ 9 6 6 / 6 6 3 \/ 54 18 __________________
/ ______
/ 173 I*\/ 1407
9*3 / --- + ----------
\/ 54 18
$$\left(\frac{13}{3} + \frac{22}{9 \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}} + \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}\right) + \left(\left(\frac{22 \operatorname{re}{\left(\frac{1}{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} - \frac{\sqrt{22} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} - \frac{\sqrt{66} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{13}{3} + i \left(\frac{22 \operatorname{im}{\left(\frac{1}{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} - \frac{\sqrt{22} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{\sqrt{66} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6}\right)\right) + \left(- \frac{\sqrt{22} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{22 \operatorname{re}{\left(\frac{1}{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} + \frac{\sqrt{66} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{13}{3} + i \left(- \frac{\sqrt{66} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} - \frac{\sqrt{22} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{22 \operatorname{im}{\left(\frac{1}{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9}\right)\right)\right)$$
=
/ 1 \ / 1 \ / / 1 \ \ / / 1 \ \
22*re|---------------------------------------| 22*re|---------------------------------------| |22*im|---------------------------------------| / / ______\\ / / ______\\| |22*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\
| __________________| | __________________| | | __________________| | |3*\/ 1407 || | |3*\/ 1407 ||| | | __________________| | |3*\/ 1407 || | |3*\/ 1407 ||| | |3*\/ 1407 ||
|/ ___\ / ______ | |/ ___\ / ______ | | |/ ___\ / ______ | |atan|----------|| |atan|----------||| | |/ ___\ / ______ | |atan|----------|| |atan|----------||| |atan|----------||
__________________ || 1 I*\/ 3 | / 173 I*\/ 1407 | || 1 I*\/ 3 | / 173 I*\/ 1407 | | || 1 I*\/ 3 | / 173 I*\/ 1407 | ____ | \ 173 /| ____ | \ 173 /|| | || 1 I*\/ 3 | / 173 I*\/ 1407 | ____ | \ 173 /| ____ | \ 173 /|| ____ | \ 173 /|
/ ______ ||- - + -------|*3 / --- + ---------- | ||- - - -------|*3 / --- + ---------- | | ||- - + -------|*3 / --- + ---------- | \/ 22 *sin|----------------| \/ 66 *cos|----------------|| | ||- - - -------|*3 / --- + ---------- | \/ 22 *sin|----------------| \/ 66 *cos|----------------|| \/ 22 *cos|----------------|
/ 173 I*\/ 1407 22 \\ 2 2 / \/ 54 18 / \\ 2 2 / \/ 54 18 / | \\ 2 2 / \/ 54 18 / \ 3 / \ 3 /| | \\ 2 2 / \/ 54 18 / \ 3 / \ 3 /| \ 3 /
13 + 3 / --- + ---------- + ------------------------- + ---------------------------------------------- + ---------------------------------------------- + I*|---------------------------------------------- - ---------------------------- + ----------------------------| + I*|---------------------------------------------- - ---------------------------- - ----------------------------| - ----------------------------
\/ 54 18 __________________ 9 9 \ 9 6 6 / \ 9 6 6 / 3
/ ______
/ 173 I*\/ 1407
9*3 / --- + ----------
\/ 54 18
$$- \frac{\sqrt{22} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{3} + \frac{22 \operatorname{re}{\left(\frac{1}{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} + \frac{22 \operatorname{re}{\left(\frac{1}{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} + 13 + \frac{22}{9 \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}} + i \left(\frac{22 \operatorname{im}{\left(\frac{1}{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} - \frac{\sqrt{22} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{\sqrt{66} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6}\right) + i \left(- \frac{\sqrt{66} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} - \frac{\sqrt{22} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{22 \operatorname{im}{\left(\frac{1}{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9}\right) + \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}$$
producto
/ / 1 \ / / 1 \ \ \ / / 1 \ / / 1 \ \ \
| 22*re|---------------------------------------| |22*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\| | 22*re|---------------------------------------| |22*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\|
| | __________________| | | __________________| | |3*\/ 1407 || | |3*\/ 1407 ||| | |3*\/ 1407 || | |3*\/ 1407 ||| | | __________________| | | __________________| | |3*\/ 1407 || | |3*\/ 1407 ||| | |3*\/ 1407 || | |3*\/ 1407 |||
| |/ ___\ / ______ | | |/ ___\ / ______ | |atan|----------|| |atan|----------||| |atan|----------|| |atan|----------||| | |/ ___\ / ______ | | |/ ___\ / ______ | |atan|----------|| |atan|----------||| |atan|----------|| |atan|----------|||
| || 1 I*\/ 3 | / 173 I*\/ 1407 | | || 1 I*\/ 3 | / 173 I*\/ 1407 | ____ | \ 173 /| ____ | \ 173 /|| ____ | \ 173 /| ____ | \ 173 /|| | || 1 I*\/ 3 | / 173 I*\/ 1407 | | || 1 I*\/ 3 | / 173 I*\/ 1407 | ____ | \ 173 /| ____ | \ 173 /|| ____ | \ 173 /| ____ | \ 173 /|| / __________________ \
| ||- - - -------|*3 / --- + ---------- | | ||- - - -------|*3 / --- + ---------- | \/ 22 *sin|----------------| \/ 66 *cos|----------------|| \/ 22 *cos|----------------| \/ 66 *sin|----------------|| | ||- - + -------|*3 / --- + ---------- | | ||- - + -------|*3 / --- + ---------- | \/ 22 *sin|----------------| \/ 66 *cos|----------------|| \/ 22 *cos|----------------| \/ 66 *sin|----------------|| | / ______ |
|13 \\ 2 2 / \/ 54 18 / | \\ 2 2 / \/ 54 18 / \ 3 / \ 3 /| \ 3 / \ 3 /| |13 \\ 2 2 / \/ 54 18 / | \\ 2 2 / \/ 54 18 / \ 3 / \ 3 /| \ 3 / \ 3 /| |13 / 173 I*\/ 1407 22 |
|-- + ---------------------------------------------- + I*|---------------------------------------------- - ---------------------------- - ----------------------------| - ---------------------------- + ----------------------------|*|-- + ---------------------------------------------- + I*|---------------------------------------------- - ---------------------------- + ----------------------------| - ---------------------------- - ----------------------------|*|-- + 3 / --- + ---------- + -------------------------|
\3 9 \ 9 6 6 / 6 6 / \3 9 \ 9 6 6 / 6 6 / |3 \/ 54 18 __________________|
| / ______ |
| / 173 I*\/ 1407 |
| 9*3 / --- + ---------- |
\ \/ 54 18 /
$$\left(- \frac{\sqrt{22} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{22 \operatorname{re}{\left(\frac{1}{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} + \frac{\sqrt{66} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{13}{3} + i \left(- \frac{\sqrt{66} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} - \frac{\sqrt{22} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{22 \operatorname{im}{\left(\frac{1}{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9}\right)\right) \left(\frac{22 \operatorname{re}{\left(\frac{1}{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} - \frac{\sqrt{22} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} - \frac{\sqrt{66} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{13}{3} + i \left(\frac{22 \operatorname{im}{\left(\frac{1}{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} - \frac{\sqrt{22} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{\sqrt{66} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6}\right)\right) \left(\frac{13}{3} + \frac{22}{9 \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}} + \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}\right)$$
=
/ / / ______\\ / / ______\\\
| | |3*\/ 1407 || | |3*\/ 1407 |||
/ ____________________ / ____________________\\ | |2*atan|----------|| |atan|----------|||
| 3 ___ 3 / ______ | 2/3 3 / ______ || | | \ 173 /| ____ | \ 173 /||
\44*\/ 2 + \/ 173 + 3*I*\/ 1407 *\26 + 2 *\/ 173 + 3*I*\/ 1407 //*|147 + 44*cos|------------------| - 26*\/ 22 *cos|----------------||
\ \ 3 / \ 3 //
---------------------------------------------------------------------------------------------------------------------------------------------
____________________
3 / ______
54*\/ 173 + 3*I*\/ 1407
$$\frac{\left(44 \sqrt[3]{2} + \left(26 + 2^{\frac{2}{3}} \sqrt[3]{173 + 3 \sqrt{1407} i}\right) \sqrt[3]{173 + 3 \sqrt{1407} i}\right) \left(- 26 \sqrt{22} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)} + 44 \cos{\left(\frac{2 \operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)} + 147\right)}{54 \sqrt[3]{173 + 3 \sqrt{1407} i}}$$
(44*2^(1/3) + (173 + 3*i*sqrt(1407))^(1/3)*(26 + 2^(2/3)*(173 + 3*i*sqrt(1407))^(1/3)))*(147 + 44*cos(2*atan(3*sqrt(1407)/173)/3) - 26*sqrt(22)*cos(atan(3*sqrt(1407)/173)/3))/(54*(173 + 3*i*sqrt(1407))^(1/3))
Respuesta rápida
[src]
/ 1 \ / / 1 \ \
22*re|---------------------------------------| |22*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\
| __________________| | | __________________| | |3*\/ 1407 || | |3*\/ 1407 ||| | |3*\/ 1407 || | |3*\/ 1407 ||
|/ ___\ / ______ | | |/ ___\ / ______ | |atan|----------|| |atan|----------||| |atan|----------|| |atan|----------||
|| 1 I*\/ 3 | / 173 I*\/ 1407 | | || 1 I*\/ 3 | / 173 I*\/ 1407 | ____ | \ 173 /| ____ | \ 173 /|| ____ | \ 173 /| ____ | \ 173 /|
||- - - -------|*3 / --- + ---------- | | ||- - - -------|*3 / --- + ---------- | \/ 22 *sin|----------------| \/ 66 *cos|----------------|| \/ 22 *cos|----------------| \/ 66 *sin|----------------|
13 \\ 2 2 / \/ 54 18 / | \\ 2 2 / \/ 54 18 / \ 3 / \ 3 /| \ 3 / \ 3 /
x1 = -- + ---------------------------------------------- + I*|---------------------------------------------- - ---------------------------- - ----------------------------| - ---------------------------- + ----------------------------
3 9 \ 9 6 6 / 6 6
$$x_{1} = - \frac{\sqrt{22} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{22 \operatorname{re}{\left(\frac{1}{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} + \frac{\sqrt{66} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{13}{3} + i \left(- \frac{\sqrt{66} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} - \frac{\sqrt{22} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{22 \operatorname{im}{\left(\frac{1}{\left(- \frac{1}{2} - \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9}\right)$$
/ 1 \ / / 1 \ \
22*re|---------------------------------------| |22*im|---------------------------------------| / / ______\\ / / ______\\| / / ______\\ / / ______\\
| __________________| | | __________________| | |3*\/ 1407 || | |3*\/ 1407 ||| | |3*\/ 1407 || | |3*\/ 1407 ||
|/ ___\ / ______ | | |/ ___\ / ______ | |atan|----------|| |atan|----------||| |atan|----------|| |atan|----------||
|| 1 I*\/ 3 | / 173 I*\/ 1407 | | || 1 I*\/ 3 | / 173 I*\/ 1407 | ____ | \ 173 /| ____ | \ 173 /|| ____ | \ 173 /| ____ | \ 173 /|
||- - + -------|*3 / --- + ---------- | | ||- - + -------|*3 / --- + ---------- | \/ 22 *sin|----------------| \/ 66 *cos|----------------|| \/ 22 *cos|----------------| \/ 66 *sin|----------------|
13 \\ 2 2 / \/ 54 18 / | \\ 2 2 / \/ 54 18 / \ 3 / \ 3 /| \ 3 / \ 3 /
x2 = -- + ---------------------------------------------- + I*|---------------------------------------------- - ---------------------------- + ----------------------------| - ---------------------------- - ----------------------------
3 9 \ 9 6 6 / 6 6
$$x_{2} = \frac{22 \operatorname{re}{\left(\frac{1}{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} - \frac{\sqrt{22} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} - \frac{\sqrt{66} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{13}{3} + i \left(\frac{22 \operatorname{im}{\left(\frac{1}{\left(- \frac{1}{2} + \frac{\sqrt{3} i}{2}\right) \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}}\right)}}{9} - \frac{\sqrt{22} \sin{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6} + \frac{\sqrt{66} \cos{\left(\frac{\operatorname{atan}{\left(\frac{3 \sqrt{1407}}{173} \right)}}{3} \right)}}{6}\right)$$
__________________
/ ______
13 / 173 I*\/ 1407 22
x3 = -- + 3 / --- + ---------- + -------------------------
3 \/ 54 18 __________________
/ ______
/ 173 I*\/ 1407
9*3 / --- + ----------
\/ 54 18
$$x_{3} = \frac{13}{3} + \frac{22}{9 \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}} + \sqrt[3]{\frac{173}{54} + \frac{\sqrt{1407} i}{18}}$$
x3 = 13/3 + 22/(9*(173/54 + sqrt(1407)*i/18)^(1/3)) + (173/54 + sqrt(1407)*i/18)^(1/3)
Respuesta numérica
[src]
x1 = 7.40267882952119
x2 = 3.31603086087073
x3 = 2.28129030960809
x3 = 2.28129030960809