Perform the operations and express the result in rectangular form. (frac{left(frac{2}{3}+frac{1}{2} j ight)^{4}}{left(1+frac{3}{4} j ight)left(-1+frac{1}{3} j ight)})

Perform the operations and express the result in rectangular form.

\(\frac{\left(\frac{2}{3}+\frac{1}{2} j\right)^{4}}{\left(1+\frac{3}{4} j\right)\left(-1+\frac{1}{3} j\right)}\)