For z = -3 + 5i, evaluate \(z \overline{z}\)
Note: \(\overline{z}\) denotes the conjugate of z.
We're looking for (-3+5i)(-3-5i) which is 9+25=34.
For any z in the form a+bi, z multiplied by its conjugate will be equal to a^2+b^2.
:D
+21 
