El profesor se sorprenderá mucho al ver tu solución correcta😉
a*y^2 + b*y + c = 0
D = b^2 - 4 * a * c =
(-2)^2 - 4 * (8) * (2) = -60
y1 = (-b + sqrt(D)) / (2*a)
y2 = (-b - sqrt(D)) / (2*a)
____ 1 I*\/ 15 y1 = - - -------- 8 8
____ 1 I*\/ 15 y2 = - + -------- 8 8
y2 = 1/8 + sqrt(15)*i/8
suma
____ ____ 1 I*\/ 15 1 I*\/ 15 - - -------- + - + -------- 8 8 8 8
=
1/4
producto
/ ____\ / ____\ |1 I*\/ 15 | |1 I*\/ 15 | |- - --------|*|- + --------| \8 8 / \8 8 /
=
1/4
1/4
y1 = 0.125 - 0.484122918275927*i
y2 = 0.125 + 0.484122918275927*i
y2 = 0.125 + 0.484122918275927*i