### Home > PC > Chapter 11 > Lesson 11.1.3 > Problem 11-48

11-48.

Multiply each of the followingcomplex numbers. * *

What does

need to be multiplied by so that the result is a whole number? The answers for parts (a) and (b) are both whole numbers. How are the factors being multiplied the same or different?

What does

need to be multiplied by so that the result is a whole number?