El profesor se sorprenderá mucho al ver tu solución correcta😉
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-3)^2 - 4 * (3) * (-a) = 9 + 12*a
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
______________________________ ______________________________ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ \/ (9 + 12*re(a)) + 144*im (a) *cos|-----------------------------| I*\/ (9 + 12*re(a)) + 144*im (a) *sin|-----------------------------| 1 \ 2 / \ 2 / x1 = - - -------------------------------------------------------------------- - ---------------------------------------------------------------------- 2 6 6
______________________________ ______________________________ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ \/ (9 + 12*re(a)) + 144*im (a) *cos|-----------------------------| I*\/ (9 + 12*re(a)) + 144*im (a) *sin|-----------------------------| 1 \ 2 / \ 2 / x2 = - + -------------------------------------------------------------------- + ---------------------------------------------------------------------- 2 6 6
x2 = i*((12*re(a) + 9)^2 + 144*im(a)^2)^(1/4)*sin(atan2(12*im(a, 12*re(a) + 9)/2)/6 + ((12*re(a) + 9)^2 + 144*im(a)^2)^(1/4)*cos(atan2(12*im(a), 12*re(a) + 9)/2)/6 + 1/2)
suma
______________________________ ______________________________ ______________________________ ______________________________ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ \/ (9 + 12*re(a)) + 144*im (a) *cos|-----------------------------| I*\/ (9 + 12*re(a)) + 144*im (a) *sin|-----------------------------| \/ (9 + 12*re(a)) + 144*im (a) *cos|-----------------------------| I*\/ (9 + 12*re(a)) + 144*im (a) *sin|-----------------------------| 1 \ 2 / \ 2 / 1 \ 2 / \ 2 / - - -------------------------------------------------------------------- - ---------------------------------------------------------------------- + - + -------------------------------------------------------------------- + ---------------------------------------------------------------------- 2 6 6 2 6 6
=
1
producto
/ ______________________________ ______________________________ \ / ______________________________ ______________________________ \ | 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\| | 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\ 4 / 2 2 /atan2(12*im(a), 9 + 12*re(a))\| | \/ (9 + 12*re(a)) + 144*im (a) *cos|-----------------------------| I*\/ (9 + 12*re(a)) + 144*im (a) *sin|-----------------------------|| | \/ (9 + 12*re(a)) + 144*im (a) *cos|-----------------------------| I*\/ (9 + 12*re(a)) + 144*im (a) *sin|-----------------------------|| |1 \ 2 / \ 2 /| |1 \ 2 / \ 2 /| |- - -------------------------------------------------------------------- - ----------------------------------------------------------------------|*|- + -------------------------------------------------------------------- + ----------------------------------------------------------------------| \2 6 6 / \2 6 6 /
=
re(a) I*im(a) - ----- - ------- 3 3
-re(a)/3 - i*im(a)/3