El profesor se sorprenderá mucho al ver tu solución correcta😉
2 x *(5*I + 3) + (15*I + 25)*x + 65*I = 0
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(25 + 15*i)^2 - 4 * (3 + 5*i) * (65*i) = (25 + 15*i)^2 - 65*i*(12 + 20*i)
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
/ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\ | 5*\/ 10 *\/ 28909 *cos|-----------| 3*\/ 10 *\/ 28909 *sin|-----------|| 5*\/ 10 *\/ 28909 *sin|-----------| 3*\/ 10 *\/ 28909 *cos|-----------| 75 |20 \ 2 / \ 2 /| \ 2 / \ 2 / x1 = - -- + I*|-- - ----------------------------------- - -----------------------------------| - ----------------------------------- + ----------------------------------- 34 \17 68 68 / 68 68
/ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\ | 3*\/ 10 *\/ 28909 *sin|-----------| 5*\/ 10 *\/ 28909 *cos|-----------|| 3*\/ 10 *\/ 28909 *cos|-----------| 5*\/ 10 *\/ 28909 *sin|-----------| 75 |20 \ 2 / \ 2 /| \ 2 / \ 2 / x2 = - -- + I*|-- + ----------------------------------- + -----------------------------------| - ----------------------------------- + ----------------------------------- 34 \17 68 68 / 68 68
x2 = -75/34 - 3*sqrt(10)*28909^(1/4)*cos(atan(3/170)/2)/68 + 5*sqrt(10)*28909^(1/4)*sin(atan(3/170)/2)/68 + i*(3*sqrt(10)*28909^(1/4)*sin(atan(3/170)/2)/68 + 20/17 + 5*sqrt(10)*28909^(1/4)*cos(atan(3/170)/2)/68)
suma
/ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\ / ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\ | 5*\/ 10 *\/ 28909 *cos|-----------| 3*\/ 10 *\/ 28909 *sin|-----------|| 5*\/ 10 *\/ 28909 *sin|-----------| 3*\/ 10 *\/ 28909 *cos|-----------| | 3*\/ 10 *\/ 28909 *sin|-----------| 5*\/ 10 *\/ 28909 *cos|-----------|| 3*\/ 10 *\/ 28909 *cos|-----------| 5*\/ 10 *\/ 28909 *sin|-----------| 75 |20 \ 2 / \ 2 /| \ 2 / \ 2 / 75 |20 \ 2 / \ 2 /| \ 2 / \ 2 / - -- + I*|-- - ----------------------------------- - -----------------------------------| - ----------------------------------- + ----------------------------------- + - -- + I*|-- + ----------------------------------- + -----------------------------------| - ----------------------------------- + ----------------------------------- 34 \17 68 68 / 68 68 34 \17 68 68 / 68 68
=
/ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ / ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ | 5*\/ 10 *\/ 28909 *cos|-----------| 3*\/ 10 *\/ 28909 *sin|-----------|| | 3*\/ 10 *\/ 28909 *sin|-----------| 5*\/ 10 *\/ 28909 *cos|-----------|| 75 |20 \ 2 / \ 2 /| |20 \ 2 / \ 2 /| - -- + I*|-- - ----------------------------------- - -----------------------------------| + I*|-- + ----------------------------------- + -----------------------------------| 17 \17 68 68 / \17 68 68 /
producto
/ / ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ / / ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ ____ 4 _______ /atan(3/170)\ ____ 4 _______ /atan(3/170)\\ | | 5*\/ 10 *\/ 28909 *cos|-----------| 3*\/ 10 *\/ 28909 *sin|-----------|| 5*\/ 10 *\/ 28909 *sin|-----------| 3*\/ 10 *\/ 28909 *cos|-----------|| | | 3*\/ 10 *\/ 28909 *sin|-----------| 5*\/ 10 *\/ 28909 *cos|-----------|| 3*\/ 10 *\/ 28909 *cos|-----------| 5*\/ 10 *\/ 28909 *sin|-----------|| | 75 |20 \ 2 / \ 2 /| \ 2 / \ 2 /| | 75 |20 \ 2 / \ 2 /| \ 2 / \ 2 /| |- -- + I*|-- - ----------------------------------- - -----------------------------------| - ----------------------------------- + -----------------------------------|*|- -- + I*|-- + ----------------------------------- + -----------------------------------| - ----------------------------------- + -----------------------------------| \ 34 \17 68 68 / 68 68 / \ 34 \17 68 68 / 68 68 /
=
325 195*I --- + ----- 34 34
325/34 + 195*i/34
x1 = -3.9982211317292 + 4.22433343247952*i
x2 = -0.413543574153153 - 1.87139225600893*i
x2 = -0.413543574153153 - 1.87139225600893*i