### Home > A2C > Chapter 14 > Lesson 14.9.1.4 > Problem 9-56

9-56.

the following limits using either a calculator or algebra.

Substitute

in for .

This can be done because it does not create division by zero.

Substituting

in for results in division by zero. Factor and simplify, eliminating this issue. Then substitutein for ' '.

where

where