### Home > CCA2 > Chapter Ch1 > Lesson 1.1.4 > Problem 1-47

1-47.

Compute for * *Homework Help ✎

Replace all 's with what is inside the parentheses.

Multiply the numerator and denominator by

.

Refer to part (a).

1-47.

Compute for * *Homework Help ✎

Replace all 's with what is inside the parentheses.

Multiply the numerator and denominator by

.

Refer to part (a).