You might not need to do u-substitution on every problem.
Pg 296-2977, 9, 12, 13, 15, 17, 20, 22, 25, 28, 34, 36, 37, 39, 42, 47, 51, 55, 61, 63, 70, 86
Probably around 1 hour maybe slightly more of work.
Remember if the integrals can't be done by normal means (turning the problem inot the addition and subtraction of powers)
Use u-substitution by letting u be equal to something whose derivative or derivative times a constant is elsewhere, or by letting u be the thing causing heartache
Due friday 3-9-12
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