b g(b) Use the Substitution Formula, f(g(x)) . g'(x) dx = f(u) du where g(x) = u, to evaluate the following integral. a g(a) 13 In 3 ex dx 1+ p2x 0 . . . In 3 edx S 1 + p2x 0 (Type an exact answer, using it as needed.)