El profesor se sorprenderá mucho al ver tu solución correcta😉
3 1 7 --------- + ----------- + - = 0 x + y - 1 2*x - y + 3 5
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(42/5 + 7*y/5)^2 - 4 * (14/5) * (19/5 - 7*y^2/5 + 18*y/5) = -1064/25 + (42/5 + 7*y/5)^2 - 1008*y/25 + 392*y^2/25
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
/ ________________________________________________________________________________ \ ________________________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/| | \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *sin|------------------------------------------------------------------------------|| \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *cos|------------------------------------------------------------------------------| 3 re(y) | im(y) \ 2 /| \ 2 / x1 = - - - ----- + I*|- ----- - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 2 4 \ 4 28 / 28
/ ________________________________________________________________________________ \ ________________________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/| | \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *sin|------------------------------------------------------------------------------|| \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *cos|------------------------------------------------------------------------------| 3 re(y) | im(y) \ 2 /| \ 2 / x2 = - - - ----- + I*|- ----- + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 2 4 \ 4 28 / 28
x2 = i*(((882*re(y)*im(y) - 420*im(y))^2 + (441*re(y)^2 - 420*re(y) - 441*im(y)^2 + 700)^2)^(1/4)*sin(atan2(882*re(y)*im(y) - 420*im(y, 441*re(y)^2 - 420*re(y) - 441*im(y)^2 + 700)/2)/28 - im(y)/4) + ((882*re(y)*im(y) - 420*im(y))^2 + (441*re(y)^2 - 420*re(y) - 441*im(y)^2 + 700)^2)^(1/4)*cos(atan2(882*re(y)*im(y) - 420*im(y), 441*re(y)^2 - 420*re(y) - 441*im(y)^2 + 700)/2)/28 - re(y)/4 - 3/2)
suma
/ ________________________________________________________________________________ \ ________________________________________________________________________________ / ________________________________________________________________________________ \ ________________________________________________________________________________ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | / 2 / / 2 2 \\| / 2 / / 2 2 \\ | 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/| | 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/| | \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *sin|------------------------------------------------------------------------------|| \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *cos|------------------------------------------------------------------------------| | \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *sin|------------------------------------------------------------------------------|| \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *cos|------------------------------------------------------------------------------| 3 re(y) | im(y) \ 2 /| \ 2 / 3 re(y) | im(y) \ 2 /| \ 2 / - - - ----- + I*|- ----- - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ + - - - ----- + I*|- ----- + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ 2 4 \ 4 28 / 28 2 4 \ 4 28 / 28
=
/ ________________________________________________________________________________ \ / ________________________________________________________________________________ \ | / 2 / / 2 2 \\| | / 2 / / 2 2 \\| | 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| | 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| | \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *sin|------------------------------------------------------------------------------|| | \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *sin|------------------------------------------------------------------------------|| re(y) | im(y) \ 2 /| | im(y) \ 2 /| -3 - ----- + I*|- ----- - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| + I*|- ----- + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| 2 \ 4 28 / \ 4 28 /
producto
/ / ________________________________________________________________________________ \ ________________________________________________________________________________ \ / / ________________________________________________________________________________ \ ________________________________________________________________________________ \ | | / 2 / / 2 2 \\| / 2 / / 2 2 \\| | | / 2 / / 2 2 \\| / 2 / / 2 2 \\| | | 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| | | 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| 4 / 2 / 2 2 \ |atan2\-420*im(y) + 882*im(y)*re(y), 700 - 441*im (y) - 420*re(y) + 441*re (y)/|| | | \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *sin|------------------------------------------------------------------------------|| \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *cos|------------------------------------------------------------------------------|| | | \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *sin|------------------------------------------------------------------------------|| \/ (-420*im(y) + 882*im(y)*re(y)) + \700 - 441*im (y) - 420*re(y) + 441*re (y)/ *cos|------------------------------------------------------------------------------|| | 3 re(y) | im(y) \ 2 /| \ 2 /| | 3 re(y) | im(y) \ 2 /| \ 2 /| |- - - ----- + I*|- ----- - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| - ------------------------------------------------------------------------------------------------------------------------------------------------------------------------|*|- - - ----- + I*|- ----- + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------| \ 2 4 \ 4 28 / 28 / \ 2 4 \ 4 28 / 28 /
=
2 2 19 im (y) re (y) 9*re(y) 9*I*im(y) -- + ------ - ------ + ------- + --------- - I*im(y)*re(y) 14 2 2 7 7
19/14 + im(y)^2/2 - re(y)^2/2 + 9*re(y)/7 + 9*i*im(y)/7 - i*im(y)*re(y)