u=arctg((x+y)/(1-xy)) la ecuación
El profesor se sorprenderá mucho al ver tu solución correcta😉
Solución
Suma y producto de raíces
[src]
/ / sinh(2*im(u)) \ / sin(2*re(u)) \ \ / sin(2*re(u)) \ / sinh(2*im(u)) \
|(1 + re(x*tan(u)))*|-im(x) + ----------------------------| |-re(x) + ----------------------------|*im(x*tan(u))| (1 + re(x*tan(u)))*|-re(x) + ----------------------------| |-im(x) + ----------------------------|*im(x*tan(u))
| \ cos(2*re(u)) + cosh(2*im(u))/ \ cos(2*re(u)) + cosh(2*im(u))/ | \ cos(2*re(u)) + cosh(2*im(u))/ \ cos(2*re(u)) + cosh(2*im(u))/
I*|---------------------------------------------------------- - ----------------------------------------------------| + ---------------------------------------------------------- + ----------------------------------------------------
| 2 2 2 2 | 2 2 2 2
\ (1 + re(x*tan(u))) + im (x*tan(u)) (1 + re(x*tan(u))) + im (x*tan(u)) / (1 + re(x*tan(u))) + im (x*tan(u)) (1 + re(x*tan(u))) + im (x*tan(u))
i−(re(xtan(u))+1)2+(im(xtan(u)))2(−re(x)+cos(2re(u))+cosh(2im(u))sin(2re(u)))im(xtan(u))+(re(xtan(u))+1)2+(im(xtan(u)))2(re(xtan(u))+1)(−im(x)+cos(2re(u))+cosh(2im(u))sinh(2im(u)))+(re(xtan(u))+1)2+(im(xtan(u)))2(−re(x)+cos(2re(u))+cosh(2im(u))sin(2re(u)))(re(xtan(u))+1)+(re(xtan(u))+1)2+(im(xtan(u)))2(−im(x)+cos(2re(u))+cosh(2im(u))sinh(2im(u)))im(xtan(u))
/ / sinh(2*im(u)) \ / sin(2*re(u)) \ \ / sin(2*re(u)) \ / sinh(2*im(u)) \
|(1 + re(x*tan(u)))*|-im(x) + ----------------------------| |-re(x) + ----------------------------|*im(x*tan(u))| (1 + re(x*tan(u)))*|-re(x) + ----------------------------| |-im(x) + ----------------------------|*im(x*tan(u))
| \ cos(2*re(u)) + cosh(2*im(u))/ \ cos(2*re(u)) + cosh(2*im(u))/ | \ cos(2*re(u)) + cosh(2*im(u))/ \ cos(2*re(u)) + cosh(2*im(u))/
I*|---------------------------------------------------------- - ----------------------------------------------------| + ---------------------------------------------------------- + ----------------------------------------------------
| 2 2 2 2 | 2 2 2 2
\ (1 + re(x*tan(u))) + im (x*tan(u)) (1 + re(x*tan(u))) + im (x*tan(u)) / (1 + re(x*tan(u))) + im (x*tan(u)) (1 + re(x*tan(u))) + im (x*tan(u))
i−(re(xtan(u))+1)2+(im(xtan(u)))2(−re(x)+cos(2re(u))+cosh(2im(u))sin(2re(u)))im(xtan(u))+(re(xtan(u))+1)2+(im(xtan(u)))2(re(xtan(u))+1)(−im(x)+cos(2re(u))+cosh(2im(u))sinh(2im(u)))+(re(xtan(u))+1)2+(im(xtan(u)))2(−re(x)+cos(2re(u))+cosh(2im(u))sin(2re(u)))(re(xtan(u))+1)+(re(xtan(u))+1)2+(im(xtan(u)))2(−im(x)+cos(2re(u))+cosh(2im(u))sinh(2im(u)))im(xtan(u))
/ / sinh(2*im(u)) \ / sin(2*re(u)) \ \ / sin(2*re(u)) \ / sinh(2*im(u)) \
|(1 + re(x*tan(u)))*|-im(x) + ----------------------------| |-re(x) + ----------------------------|*im(x*tan(u))| (1 + re(x*tan(u)))*|-re(x) + ----------------------------| |-im(x) + ----------------------------|*im(x*tan(u))
| \ cos(2*re(u)) + cosh(2*im(u))/ \ cos(2*re(u)) + cosh(2*im(u))/ | \ cos(2*re(u)) + cosh(2*im(u))/ \ cos(2*re(u)) + cosh(2*im(u))/
I*|---------------------------------------------------------- - ----------------------------------------------------| + ---------------------------------------------------------- + ----------------------------------------------------
| 2 2 2 2 | 2 2 2 2
\ (1 + re(x*tan(u))) + im (x*tan(u)) (1 + re(x*tan(u))) + im (x*tan(u)) / (1 + re(x*tan(u))) + im (x*tan(u)) (1 + re(x*tan(u))) + im (x*tan(u))
i−(re(xtan(u))+1)2+(im(xtan(u)))2(−re(x)+cos(2re(u))+cosh(2im(u))sin(2re(u)))im(xtan(u))+(re(xtan(u))+1)2+(im(xtan(u)))2(re(xtan(u))+1)(−im(x)+cos(2re(u))+cosh(2im(u))sinh(2im(u)))+(re(xtan(u))+1)2+(im(xtan(u)))2(−re(x)+cos(2re(u))+cosh(2im(u))sin(2re(u)))(re(xtan(u))+1)+(re(xtan(u))+1)2+(im(xtan(u)))2(−im(x)+cos(2re(u))+cosh(2im(u))sinh(2im(u)))im(xtan(u))
-((1 + re(x*tan(u)))*(-sin(2*re(u)) + (cos(2*re(u)) + cosh(2*im(u)))*re(x)) + (-sinh(2*im(u)) + (cos(2*re(u)) + cosh(2*im(u)))*im(x))*im(x*tan(u)) - I*((-sin(2*re(u)) + (cos(2*re(u)) + cosh(2*im(u)))*re(x))*im(x*tan(u)) - (1 + re(x*tan(u)))*(-sinh(2*im(u)) + (cos(2*re(u)) + cosh(2*im(u)))*im(x))))
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/ 2 2 \
\(1 + re(x*tan(u))) + im (x*tan(u))/*(cos(2*re(u)) + cosh(2*im(u)))
−((re(xtan(u))+1)2+(im(xtan(u)))2)(cos(2re(u))+cosh(2im(u)))−i(((cos(2re(u))+cosh(2im(u)))re(x)−sin(2re(u)))im(xtan(u))−((cos(2re(u))+cosh(2im(u)))im(x)−sinh(2im(u)))(re(xtan(u))+1))+((cos(2re(u))+cosh(2im(u)))re(x)−sin(2re(u)))(re(xtan(u))+1)+((cos(2re(u))+cosh(2im(u)))im(x)−sinh(2im(u)))im(xtan(u))
-((1 + re(x*tan(u)))*(-sin(2*re(u)) + (cos(2*re(u)) + cosh(2*im(u)))*re(x)) + (-sinh(2*im(u)) + (cos(2*re(u)) + cosh(2*im(u)))*im(x))*im(x*tan(u)) - i*((-sin(2*re(u)) + (cos(2*re(u)) + cosh(2*im(u)))*re(x))*im(x*tan(u)) - (1 + re(x*tan(u)))*(-sinh(2*im(u)) + (cos(2*re(u)) + cosh(2*im(u)))*im(x))))/(((1 + re(x*tan(u)))^2 + im(x*tan(u))^2)*(cos(2*re(u)) + cosh(2*im(u))))
/ / sinh(2*im(u)) \ / sin(2*re(u)) \ \ / sin(2*re(u)) \ / sinh(2*im(u)) \
|(1 + re(x*tan(u)))*|-im(x) + ----------------------------| |-re(x) + ----------------------------|*im(x*tan(u))| (1 + re(x*tan(u)))*|-re(x) + ----------------------------| |-im(x) + ----------------------------|*im(x*tan(u))
| \ cos(2*re(u)) + cosh(2*im(u))/ \ cos(2*re(u)) + cosh(2*im(u))/ | \ cos(2*re(u)) + cosh(2*im(u))/ \ cos(2*re(u)) + cosh(2*im(u))/
y1 = I*|---------------------------------------------------------- - ----------------------------------------------------| + ---------------------------------------------------------- + ----------------------------------------------------
| 2 2 2 2 | 2 2 2 2
\ (1 + re(x*tan(u))) + im (x*tan(u)) (1 + re(x*tan(u))) + im (x*tan(u)) / (1 + re(x*tan(u))) + im (x*tan(u)) (1 + re(x*tan(u))) + im (x*tan(u))
y1=i−(re(xtan(u))+1)2+(im(xtan(u)))2(−re(x)+cos(2re(u))+cosh(2im(u))sin(2re(u)))im(xtan(u))+(re(xtan(u))+1)2+(im(xtan(u)))2(re(xtan(u))+1)(−im(x)+cos(2re(u))+cosh(2im(u))sinh(2im(u)))+(re(xtan(u))+1)2+(im(xtan(u)))2(−re(x)+cos(2re(u))+cosh(2im(u))sin(2re(u)))(re(xtan(u))+1)+(re(xtan(u))+1)2+(im(xtan(u)))2(−im(x)+cos(2re(u))+cosh(2im(u))sinh(2im(u)))im(xtan(u))
y1 = i*(-(-re(x) + sin(2*re(u))/(cos(2*re(u)) + cosh(2*im(u))))*im(x*tan(u))/((re(x*tan(u)) + 1)^2 + im(x*tan(u))^2) + (re(x*tan(u)) + 1)*(-im(x) + sinh(2*im(u))/(cos(2*re(u)) + cosh(2*im(u))))/((re(x*tan(u)) + 1)^2 + im(x*tan(u))^2)) + (-re(x) + sin(2*re(u))/(cos(2*re(u)) + cosh(2*im(u))))*(re(x*tan(u)) + 1)/((re(x*tan(u)) + 1)^2 + im(x*tan(u))^2) + (-im(x) + sinh(2*im(u))/(cos(2*re(u)) + cosh(2*im(u))))*im(x*tan(u))/((re(x*tan(u)) + 1)^2 + im(x*tan(u))^2)