# Chapter 5 - The Integral - 5.7 Substitution Method - Preliminary Questions - Page 275: 1

(a) and (b) .

#### Work Step by Step

(a) and (b) are candidates for the Substitution Method. In (a), we can use the substitution $u=x^5$ and for (b) we can use the substitution $u=\sin x$.

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