Question

Let z=1+i where i^2=-1.calculate z^2 z^3 z^4

Answer 1

Answer:

$0$

Step-by-step explanation:

$i^2=-1$

$i=-1$

Subsite i in for z

$z=1+-1$

Add $-1$ to both sides

$z=0$

Anything multiplied by 0 is just 0.