Answer
(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 $.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.