### Home > A2C > Chapter 1 > Lesson 1.1.4 > Problem 1-48

1-48.

Compute for

Replace all 's with what is inside the parentheses.

Multiply the numerator and denominator by

.

Refer to part (a).

1-48.

Compute for

Replace all 's with what is inside the parentheses.

Multiply the numerator and denominator by

.

Refer to part (a).