El profesor se sorprenderá mucho al ver tu solución correcta😉
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-11)^2 - 4 * (7) * (7) = -75
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
___ ___ 11 5*I*\/ 3 11 5*I*\/ 3 -- - --------- + -- + --------- 14 14 14 14
=
11/7
producto
/ ___\ / ___\ |11 5*I*\/ 3 | |11 5*I*\/ 3 | |-- - ---------|*|-- + ---------| \14 14 / \14 14 /
=
1
1
___ 11 5*I*\/ 3 x1 = -- - --------- 14 14
___ 11 5*I*\/ 3 x2 = -- + --------- 14 14
x2 = 11/14 + 5*sqrt(3)*i/14
x1 = 0.785714285714286 - 0.618589574131742*i
x2 = 0.785714285714286 + 0.618589574131742*i
x2 = 0.785714285714286 + 0.618589574131742*i