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8-68.
  1. Examine the integrals below. Consider the multiple tools available for evaluating integrals and use the best strategy for each. After evaluating the integral, write a short description of your method. Homework Help ✎

Before integrating, rewrite the integrand using a fractional exponent.

Think about the shape of this graph, does it have any symmetry?

Let U = x2 + 1.

Because y = x2 + 1 is always positive, this solution will not need an absolute value sign.

Before integrating, use properties of logarithms to rewrite the integrand.