El profesor se sorprenderá mucho al ver tu solución correcta😉
/ 2 \ /x \ |x x | 2 27*|- - 1|*|-- + - + 1| - x*(x - 1)*(x + 1) = 2*x \3 / \9 3 /
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(1)^2 - 4 * (-2) * (-27) = -215
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
_____ _____ 1 I*\/ 215 1 I*\/ 215 - - --------- + - + --------- 4 4 4 4
=
1/2
producto
/ _____\ / _____\ |1 I*\/ 215 | |1 I*\/ 215 | |- - ---------|*|- + ---------| \4 4 / \4 4 /
=
27/2
27/2
_____ 1 I*\/ 215 x1 = - - --------- 4 4
_____ 1 I*\/ 215 x2 = - + --------- 4 4
x2 = 1/4 + sqrt(215)*i/4
x1 = 0.25 + 3.66571957465379*i
x2 = 0.25 - 3.66571957465379*i
x2 = 0.25 - 3.66571957465379*i