### Home > CC3 > Chapter Ch7 > Lesson 7.1.2 > Problem 7-21

7-21.

Evaluate each expression below for *a *when

Multiply

by , then divide by .

Use the same method as part (a).

Dividing by

undefined.

7-21.

Evaluate each expression below for *a *when

Multiply

by , then divide by .

Use the same method as part (a).

Dividing by

undefined.