El profesor se sorprenderá mucho al ver tu solución correcta😉
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(4)^2 - 4 * (9) * (5) = -164
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
____ ____ 2 I*\/ 41 2 I*\/ 41 - - - -------- + - - + -------- 9 9 9 9
=
-4/9
producto
/ ____\ / ____\ | 2 I*\/ 41 | | 2 I*\/ 41 | |- - - --------|*|- - + --------| \ 9 9 / \ 9 9 /
=
5/9
5/9
____ 2 I*\/ 41 x1 = - - - -------- 9 9
____ 2 I*\/ 41 x2 = - - + -------- 9 9
x2 = -2/9 + sqrt(41)*i/9
x1 = -0.222222222222222 + 0.71145824860365*i
x2 = -0.222222222222222 - 0.71145824860365*i
x2 = -0.222222222222222 - 0.71145824860365*i