Use integration by substitution to determine the indefinite integral for the following function involving a quotient. 72.x

Use integration by substitution to determine the indefinite integral for the following function involving a quotient.

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72.x (9x + 2)5 2)s dx Let u9x+2; then du/dx = 18x and dx = du/18x. Substituting, = 72.x =72.x du 4 4u-5 (9x + 2,5 dx = 72x-15= du = [4 du (9x2+2)5 u5 Integrating, 4u du = 4 +c=-u 4+c Substituting, 72x (9x2+2)5 dx = -u+c=-(9x+2)-4+c -1 == +c (9x2+2)4