### Home > CALC3RD > Chapter Ch9 > Lesson 9.4.3 > Problem 9-133

9-133.

Examine the integrals below. Consider the multiple tools available for integrating and use the best strategy for each part. Evaluate each integral and briefly describe your method.

Use partial fraction decomposition to rewrite the integrand.

Use substitution. Let

.

Use partial fraction decomposition to rewrite the integrand.

This is an improper integral. Use a limit to properly evaluate this integral.