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9-109.

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. Homework Help ✎

  1. Use substitution. Let .

  1. This integral can be evaluated by sketching the graph and using geometry.

  1. Use integration by parts.

    Let and .

  1. Use substitution. Let .