El profesor se sorprenderá mucho al ver tu solución correcta😉
a*v^2 + b*v + c = 0
D = b^2 - 4 * a * c =
(-3)^2 - 4 * (1) * (4) = -7
v1 = (-b + sqrt(D)) / (2*a)
v2 = (-b - sqrt(D)) / (2*a)
/ / ___\\ / / ___\\ | |\/ 7 || | |\/ 7 || |atan|-----|| |atan|-----|| ___ | \ 3 /| ___ | \ 3 /| x1 = - \/ 2 *cos|-----------| - I*\/ 2 *sin|-----------| \ 2 / \ 2 /
/ / ___\\ / / ___\\ | |\/ 7 || | |\/ 7 || |atan|-----|| |atan|-----|| ___ | \ 3 /| ___ | \ 3 /| x2 = - \/ 2 *cos|-----------| + I*\/ 2 *sin|-----------| \ 2 / \ 2 /
/ / ___\\ / / ___\\ | |\/ 7 || | |\/ 7 || |atan|-----|| |atan|-----|| ___ | \ 3 /| ___ | \ 3 /| x3 = \/ 2 *cos|-----------| - I*\/ 2 *sin|-----------| \ 2 / \ 2 /
/ / ___\\ / / ___\\ | |\/ 7 || | |\/ 7 || |atan|-----|| |atan|-----|| ___ | \ 3 /| ___ | \ 3 /| x4 = \/ 2 *cos|-----------| + I*\/ 2 *sin|-----------| \ 2 / \ 2 /
x4 = sqrt(2)*cos(atan(sqrt(7)/3)/2) + sqrt(2)*i*sin(atan(sqrt(7)/3)/2)
suma
/ / ___\\ / / ___\\ / / ___\\ / / ___\\ / / ___\\ / / ___\\ / / ___\\ / / ___\\ | |\/ 7 || | |\/ 7 || | |\/ 7 || | |\/ 7 || | |\/ 7 || | |\/ 7 || | |\/ 7 || | |\/ 7 || |atan|-----|| |atan|-----|| |atan|-----|| |atan|-----|| |atan|-----|| |atan|-----|| |atan|-----|| |atan|-----|| ___ | \ 3 /| ___ | \ 3 /| ___ | \ 3 /| ___ | \ 3 /| ___ | \ 3 /| ___ | \ 3 /| ___ | \ 3 /| ___ | \ 3 /| - \/ 2 *cos|-----------| - I*\/ 2 *sin|-----------| + - \/ 2 *cos|-----------| + I*\/ 2 *sin|-----------| + \/ 2 *cos|-----------| - I*\/ 2 *sin|-----------| + \/ 2 *cos|-----------| + I*\/ 2 *sin|-----------| \ 2 / \ 2 / \ 2 / \ 2 / \ 2 / \ 2 / \ 2 / \ 2 /
=
0
producto
/ / / ___\\ / / ___\\\ / / / ___\\ / / ___\\\ / / / ___\\ / / ___\\\ / / / ___\\ / / ___\\\ | | |\/ 7 || | |\/ 7 ||| | | |\/ 7 || | |\/ 7 ||| | | |\/ 7 || | |\/ 7 ||| | | |\/ 7 || | |\/ 7 ||| | |atan|-----|| |atan|-----||| | |atan|-----|| |atan|-----||| | |atan|-----|| |atan|-----||| | |atan|-----|| |atan|-----||| | ___ | \ 3 /| ___ | \ 3 /|| | ___ | \ 3 /| ___ | \ 3 /|| | ___ | \ 3 /| ___ | \ 3 /|| | ___ | \ 3 /| ___ | \ 3 /|| |- \/ 2 *cos|-----------| - I*\/ 2 *sin|-----------||*|- \/ 2 *cos|-----------| + I*\/ 2 *sin|-----------||*|\/ 2 *cos|-----------| - I*\/ 2 *sin|-----------||*|\/ 2 *cos|-----------| + I*\/ 2 *sin|-----------|| \ \ 2 / \ 2 // \ \ 2 / \ 2 // \ \ 2 / \ 2 // \ \ 2 / \ 2 //
=
/ ___\ |\/ 7 | / ___\ I*atan|-----| |3 I*\/ 7 | \ 3 / 4*|- - -------|*e \4 4 /
4*(3/4 - i*sqrt(7)/4)*exp(i*atan(sqrt(7)/3))
x1 = 1.3228756555323 + 0.5*i
x2 = -1.3228756555323 + 0.5*i
x3 = -1.3228756555323 - 0.5*i
x4 = 1.3228756555323 - 0.5*i
x4 = 1.3228756555323 - 0.5*i