El profesor se sorprenderá mucho al ver tu solución correcta😉
2 2 2 (x + 2) + y + (z - 1) = 9
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(4)^2 - 4 * (1) * (-4 + y^2 + z^2 - 2*z) = 32 - 4*y^2 - 4*z^2 + 8*z
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
_________________________________________________________________________________________________ _________________________________________________________________________________________________ / 2 / / 2 2 2 2 \\ / 2 / / 2 2 2 2 \\ 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| x1 = -2 - \/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *cos|-----------------------------------------------------------------------------------------------| - I*\/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *sin|-----------------------------------------------------------------------------------------------| \ 2 / \ 2 /
_________________________________________________________________________________________________ _________________________________________________________________________________________________ / 2 / / 2 2 2 2 \\ / 2 / / 2 2 2 2 \\ 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| x2 = -2 + \/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *cos|-----------------------------------------------------------------------------------------------| + I*\/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *sin|-----------------------------------------------------------------------------------------------| \ 2 / \ 2 /
x2 = i*((-2*re(y)*im(y) - 2*re(z)*im(z) + 2*im(z))^2 + (-re(y)^2 - re(z)^2 + 2*re(z) + im(y)^2 + im(z)^2 + 8)^2)^(1/4)*sin(atan2(-2*re(y)*im(y) - 2*re(z)*im(z) + 2*im(z, -re(y)^2 - re(z)^2 + 2*re(z) + im(y)^2 + im(z)^2 + 8)/2) + ((-2*re(y)*im(y) - 2*re(z)*im(z) + 2*im(z))^2 + (-re(y)^2 - re(z)^2 + 2*re(z) + im(y)^2 + im(z)^2 + 8)^2)^(1/4)*cos(atan2(-2*re(y)*im(y) - 2*re(z)*im(z) + 2*im(z), -re(y)^2 - re(z)^2 + 2*re(z) + im(y)^2 + im(z)^2 + 8)/2) - 2)
suma
_________________________________________________________________________________________________ _________________________________________________________________________________________________ _________________________________________________________________________________________________ _________________________________________________________________________________________________ / 2 / / 2 2 2 2 \\ / 2 / / 2 2 2 2 \\ / 2 / / 2 2 2 2 \\ / 2 / / 2 2 2 2 \\ 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| -2 - \/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *cos|-----------------------------------------------------------------------------------------------| - I*\/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *sin|-----------------------------------------------------------------------------------------------| + -2 + \/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *cos|-----------------------------------------------------------------------------------------------| + I*\/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *sin|-----------------------------------------------------------------------------------------------| \ 2 / \ 2 / \ 2 / \ 2 /
=
-4
producto
/ _________________________________________________________________________________________________ _________________________________________________________________________________________________ \ / _________________________________________________________________________________________________ _________________________________________________________________________________________________ \ | / 2 / / 2 2 2 2 \\ / 2 / / 2 2 2 2 \\| | / 2 / / 2 2 2 2 \\ / 2 / / 2 2 2 2 \\| | 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/|| | 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/| 4 / 2 / 2 2 2 2 \ |atan2\2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z), 8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/|| |-2 - \/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *cos|-----------------------------------------------------------------------------------------------| - I*\/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *sin|-----------------------------------------------------------------------------------------------||*|-2 + \/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *cos|-----------------------------------------------------------------------------------------------| + I*\/ (2*im(z) - 2*im(y)*re(y) - 2*im(z)*re(z)) + \8 + im (y) + im (z) - re (y) - re (z) + 2*re(z)/ *sin|-----------------------------------------------------------------------------------------------|| \ \ 2 / \ 2 // \ \ 2 / \ 2 //
=
2 2 2 2 -4 + re (y) + re (z) - im (y) - im (z) - 2*re(z) - 2*I*im(z) + 2*I*im(y)*re(y) + 2*I*im(z)*re(z)
-4 + re(y)^2 + re(z)^2 - im(y)^2 - im(z)^2 - 2*re(z) - 2*i*im(z) + 2*i*im(y)*re(y) + 2*i*im(z)*re(z)