El profesor se sorprenderá mucho al ver tu solución correcta😉
a*v^2 + b*v + c = 0
D = b^2 - 4 * a * c =
(2)^2 - 4 * (1) * (-1) = 8
v1 = (-b + sqrt(D)) / (2*a)
v2 = (-b - sqrt(D)) / (2*a)
____________ / ___ x1 = -\/ -1 + \/ 2
____________ / ___ x2 = \/ -1 + \/ 2
___________ / ___ x3 = -I*\/ 1 + \/ 2
___________ / ___ x4 = I*\/ 1 + \/ 2
x4 = i*sqrt(1 + sqrt(2))
suma
____________ ____________ ___________ ___________ / ___ / ___ / ___ / ___ - \/ -1 + \/ 2 + \/ -1 + \/ 2 - I*\/ 1 + \/ 2 + I*\/ 1 + \/ 2
=
0
producto
____________ ____________ / ___________\ ___________ / ___ / ___ | / ___ | / ___ -\/ -1 + \/ 2 *\/ -1 + \/ 2 *\-I*\/ 1 + \/ 2 /*I*\/ 1 + \/ 2
=
-1
-1
x1 = -0.643594252905583
x2 = 0.643594252905583
x3 = 1.55377397403004*i
x4 = -1.55377397403004*i
x4 = -1.55377397403004*i