Pregunta: Pasa las siguientes expresiones a su forma polar (Convert the following expressions to their polar form.) (d) f(z)=x3+xy2+xx2+y2+i(y3+x2y-y)x2+y2(B) f(x)=y3(1+i)-y3(1-i)x2+y2

Pasa las siguientes expresiones a su forma polar $($Convert the following expressions to their polar form.$)$ 

$($d$)f(z)=\frac{x^3+x{y}^2+x}{x^2+y^2}+i\frac{(y^3+x^{2}y-y)}{x^2+y^2}$

$($B$)f(x)=\frac{y^3(1+i)-y^3(1-i)}{x^2+y^2}$