Complex Numbers

goals
Consider a complex number $z$ which satisfies the equation $\left |z-\left (\displaystyle\frac{4}{z}\right )\right |=2$
Consider a complex number $z$ which satisfies the equation $\left |z-\left (\displaystyle\frac{4}{z}\right )\right |=2$
Consider a complex number $z$ which satisfies the equation $\left |z-\left (\displaystyle\frac{4}{z}\right )\right |=2$
Consider a complex number $z$ which satisfies the equation $\left |z-\left (\displaystyle\frac{4}{z}\right )\right |=2$
Consider a complex number $w = \dfrac{z - i}{2z + 1}$, where $z = x + iy$ and $x, y \epsilon R$.