El profesor se sorprenderá mucho al ver tu solución correcta😉
2 2 x + x*y - 2*y - x + y = 3
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-1 + y)^2 - 4 * (1) * (-3 + y - 2*y^2) = 12 + (-1 + y)^2 - 4*y + 8*y^2
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
/ ______________________________________________________________________ \ ______________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/| | \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *sin|--------------------------------------------------------------------|| \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *cos|--------------------------------------------------------------------| 1 re(y) | im(y) \ 2 /| \ 2 / x1 = - - ----- + I*|- ----- - ----------------------------------------------------------------------------------------------------------------------------------------------------| - ---------------------------------------------------------------------------------------------------------------------------------------------------- 2 2 \ 2 2 / 2
/ ______________________________________________________________________ \ ______________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/| | \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *sin|--------------------------------------------------------------------|| \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *cos|--------------------------------------------------------------------| 1 re(y) | im(y) \ 2 /| \ 2 / x2 = - - ----- + I*|- ----- + ----------------------------------------------------------------------------------------------------------------------------------------------------| + ---------------------------------------------------------------------------------------------------------------------------------------------------- 2 2 \ 2 2 / 2
x2 = i*(((18*re(y)*im(y) - 6*im(y))^2 + (9*re(y)^2 - 6*re(y) - 9*im(y)^2 + 13)^2)^(1/4)*sin(atan2(18*re(y)*im(y) - 6*im(y, 9*re(y)^2 - 6*re(y) - 9*im(y)^2 + 13)/2)/2 - im(y)/2) + ((18*re(y)*im(y) - 6*im(y))^2 + (9*re(y)^2 - 6*re(y) - 9*im(y)^2 + 13)^2)^(1/4)*cos(atan2(18*re(y)*im(y) - 6*im(y), 9*re(y)^2 - 6*re(y) - 9*im(y)^2 + 13)/2)/2 - re(y)/2 + 1/2)
suma
/ ______________________________________________________________________ \ ______________________________________________________________________ / ______________________________________________________________________ \ ______________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/| | 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/| | \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *sin|--------------------------------------------------------------------|| \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *cos|--------------------------------------------------------------------| | \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *sin|--------------------------------------------------------------------|| \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *cos|--------------------------------------------------------------------| 1 re(y) | im(y) \ 2 /| \ 2 / 1 re(y) | im(y) \ 2 /| \ 2 / - - ----- + I*|- ----- - ----------------------------------------------------------------------------------------------------------------------------------------------------| - ---------------------------------------------------------------------------------------------------------------------------------------------------- + - - ----- + I*|- ----- + ----------------------------------------------------------------------------------------------------------------------------------------------------| + ---------------------------------------------------------------------------------------------------------------------------------------------------- 2 2 \ 2 2 / 2 2 2 \ 2 2 / 2
=
/ ______________________________________________________________________ \ / ______________________________________________________________________ \ | / 2 / / 2 2 \\| | / 2 / / 2 2 \\| | 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| | 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| | \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *sin|--------------------------------------------------------------------|| | \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *sin|--------------------------------------------------------------------|| | im(y) \ 2 /| | im(y) \ 2 /| 1 - re(y) + I*|- ----- + ----------------------------------------------------------------------------------------------------------------------------------------------------| + I*|- ----- - ----------------------------------------------------------------------------------------------------------------------------------------------------| \ 2 2 / \ 2 2 /
producto
/ / ______________________________________________________________________ \ ______________________________________________________________________ \ / / ______________________________________________________________________ \ ______________________________________________________________________ \ | | / 2 / / 2 2 \\| / 2 / / 2 2 \\| | | / 2 / / 2 2 \\| / 2 / / 2 2 \\| | | 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| | | 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| 4 / 2 / 2 2 \ |atan2\-6*im(y) + 18*im(y)*re(y), 13 - 9*im (y) - 6*re(y) + 9*re (y)/|| | | \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *sin|--------------------------------------------------------------------|| \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *cos|--------------------------------------------------------------------|| | | \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *sin|--------------------------------------------------------------------|| \/ (-6*im(y) + 18*im(y)*re(y)) + \13 - 9*im (y) - 6*re(y) + 9*re (y)/ *cos|--------------------------------------------------------------------|| |1 re(y) | im(y) \ 2 /| \ 2 /| |1 re(y) | im(y) \ 2 /| \ 2 /| |- - ----- + I*|- ----- - ----------------------------------------------------------------------------------------------------------------------------------------------------| - ----------------------------------------------------------------------------------------------------------------------------------------------------|*|- - ----- + I*|- ----- + ----------------------------------------------------------------------------------------------------------------------------------------------------| + ----------------------------------------------------------------------------------------------------------------------------------------------------| \2 2 \ 2 2 / 2 / \2 2 \ 2 2 / 2 /
=
2 2 -3 - 2*re (y) + 2*im (y) + I*im(y) - 4*I*im(y)*re(y) + re(y)
-3 - 2*re(y)^2 + 2*im(y)^2 + i*im(y) - 4*i*im(y)*re(y) + re(y)