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7-157.

Integrate. Show your steps—if you use u-substitution be sure to change the bounds of integration.


  1.  lower bound
    upper bound

    Assemble the integral and then solve.


  1. Before you integrate, rewrite the integrand.

  1. (this is a special case)

  1. You could use U-Substitution.
    Or you could expand the integrand and evaluate.