El profesor se sorprenderá mucho al ver tu solución correcta😉
a*v^2 + b*v + c = 0
D = b^2 - 4 * a * c =
(-8)^2 - 4 * (1) * (3) = 52
v1 = (-b + sqrt(D)) / (2*a)
v2 = (-b - sqrt(D)) / (2*a)
suma
____________ ____________ ____________ ____________ / ____ / ____ / ____ / ____ - \/ 4 - \/ 13 + \/ 4 - \/ 13 - \/ 4 + \/ 13 + \/ 4 + \/ 13
=
0
producto
____________ ____________ / ____________\ ____________ / ____ / ____ | / ____ | / ____ -\/ 4 - \/ 13 *\/ 4 - \/ 13 *\-\/ 4 + \/ 13 /*\/ 4 + \/ 13
=
3
3
____________ / ____ x1 = -\/ 4 - \/ 13
____________ / ____ x2 = \/ 4 - \/ 13
____________ / ____ x3 = -\/ 4 + \/ 13
____________ / ____ x4 = \/ 4 + \/ 13
x4 = sqrt(sqrt(13) + 4)
x1 = 0.628051530159756
x2 = -2.75781639625701
x3 = -0.628051530159756
x4 = 2.75781639625701
x4 = 2.75781639625701