Question

What is the value of the product (3 - 2i) (3 +2i)?
O 5
9 + 4;
9 – 4;

Answer 1

9-4i²

Explanation:

(3-2i)(3+2i)

Use the FOIL method for this.

First: 9

Outer: 6i

Inner: -6i

Last: -4i²

9+6i-6i-4i²=

9-4i²