### Home > CALC > Chapter 7 > Lesson 7.4.4 > Problem 7-207

7-207.

No calculator! Examine the integrals below. Consider the multiple tools available for integrating and use the best strategy. After evaluating each integral, write a short description of your method.

Use integration by parts and substitution.

There is a vertical asymptote at

, so this improper integral needs to be rewritten in proper form (as a limit).In fact, write a sum of two proper integrals.

Use

*u*-substitution.