El profesor se sorprenderá mucho al ver tu solución correcta😉
2 2 (y - 3*x) + (x + y - 2) = -4
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-4 - 4*y)^2 - 4 * (10) * (8 - 4*y + 2*y^2) = -320 + (-4 - 4*y)^2 - 80*y^2 + 160*y
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
/ _______________________________________________________________________ \ _______________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/| | \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *sin|---------------------------------------------------------------------|| \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *cos|---------------------------------------------------------------------| 1 re(y) |im(y) \ 2 /| \ 2 / x1 = - + ----- + I*|----- - ------------------------------------------------------------------------------------------------------------------------------------------------------| - ------------------------------------------------------------------------------------------------------------------------------------------------------ 5 5 \ 5 5 / 5
/ _______________________________________________________________________ \ _______________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/| | \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *sin|---------------------------------------------------------------------|| \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *cos|---------------------------------------------------------------------| 1 re(y) |im(y) \ 2 /| \ 2 / x2 = - + ----- + I*|----- + ------------------------------------------------------------------------------------------------------------------------------------------------------| + ------------------------------------------------------------------------------------------------------------------------------------------------------ 5 5 \ 5 5 / 5
x2 = i*(((-8*re(y)*im(y) + 12*im(y))^2 + (-4*re(y)^2 + 12*re(y) + 4*im(y)^2 - 19)^2)^(1/4)*sin(atan2(-8*re(y)*im(y) + 12*im(y, -4*re(y)^2 + 12*re(y) + 4*im(y)^2 - 19)/2)/5 + im(y)/5) + ((-8*re(y)*im(y) + 12*im(y))^2 + (-4*re(y)^2 + 12*re(y) + 4*im(y)^2 - 19)^2)^(1/4)*cos(atan2(-8*re(y)*im(y) + 12*im(y), -4*re(y)^2 + 12*re(y) + 4*im(y)^2 - 19)/2)/5 + re(y)/5 + 1/5)
suma
/ _______________________________________________________________________ \ _______________________________________________________________________ / _______________________________________________________________________ \ _______________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/| | 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/| | \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *sin|---------------------------------------------------------------------|| \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *cos|---------------------------------------------------------------------| | \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *sin|---------------------------------------------------------------------|| \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *cos|---------------------------------------------------------------------| 1 re(y) |im(y) \ 2 /| \ 2 / 1 re(y) |im(y) \ 2 /| \ 2 / - + ----- + I*|----- - ------------------------------------------------------------------------------------------------------------------------------------------------------| - ------------------------------------------------------------------------------------------------------------------------------------------------------ + - + ----- + I*|----- + ------------------------------------------------------------------------------------------------------------------------------------------------------| + ------------------------------------------------------------------------------------------------------------------------------------------------------ 5 5 \ 5 5 / 5 5 5 \ 5 5 / 5
=
/ _______________________________________________________________________ \ / _______________________________________________________________________ \ | / 2 / / 2 2 \\| | / 2 / / 2 2 \\| | 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| | 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| | \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *sin|---------------------------------------------------------------------|| | \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *sin|---------------------------------------------------------------------|| 2 2*re(y) |im(y) \ 2 /| |im(y) \ 2 /| - + ------- + I*|----- - ------------------------------------------------------------------------------------------------------------------------------------------------------| + I*|----- + ------------------------------------------------------------------------------------------------------------------------------------------------------| 5 5 \ 5 5 / \ 5 5 /
producto
/ / _______________________________________________________________________ \ _______________________________________________________________________ \ / / _______________________________________________________________________ \ _______________________________________________________________________ \ | | / 2 / / 2 2 \\| / 2 / / 2 2 \\| | | / 2 / / 2 2 \\| / 2 / / 2 2 \\| | | 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| | | 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| 4 / 2 / 2 2 \ |atan2\12*im(y) - 8*im(y)*re(y), -19 - 4*re (y) + 4*im (y) + 12*re(y)/|| | | \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *sin|---------------------------------------------------------------------|| \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *cos|---------------------------------------------------------------------|| | | \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *sin|---------------------------------------------------------------------|| \/ (12*im(y) - 8*im(y)*re(y)) + \-19 - 4*re (y) + 4*im (y) + 12*re(y)/ *cos|---------------------------------------------------------------------|| |1 re(y) |im(y) \ 2 /| \ 2 /| |1 re(y) |im(y) \ 2 /| \ 2 /| |- + ----- + I*|----- - ------------------------------------------------------------------------------------------------------------------------------------------------------| - ------------------------------------------------------------------------------------------------------------------------------------------------------|*|- + ----- + I*|----- + ------------------------------------------------------------------------------------------------------------------------------------------------------| + ------------------------------------------------------------------------------------------------------------------------------------------------------| \5 5 \ 5 5 / 5 / \5 5 \ 5 5 / 5 /
=
2 2 4 2*re(y) im (y) re (y) 2*I*im(y) 2*I*im(y)*re(y) - - ------- - ------ + ------ - --------- + --------------- 5 5 5 5 5 5
4/5 - 2*re(y)/5 - im(y)^2/5 + re(y)^2/5 - 2*i*im(y)/5 + 2*i*im(y)*re(y)/5