Question

Let p=5-2i and q=-3+7i. Write the expression in the form a+bi:
pq

Answer 1

Explanation:

pq = (5-2i)×(-3+7i) = -15 + 35i +6i -14i^2

= -15 +41i -14(-1)

= -15 +41i +14 = -1+41i