Question

Prove the following result :----

Answer 1

\[|z^2|=|z|^2\]; Where {z}= complex number.

Answer 2

\[ z = |z| e^{ i Arg z}\\
z^2 = |z|^2 e^{ 2 i Arg z}\\
|z^2| =|z|^2 \left| e^{ 2 i Arg z}\right|= |z|^2

\]

Answer 3

thanx! I got it.

Answer 4

yw