Find = 4x(x2 + 1) dx using two methods: (a) Do the multiplication first, and then
Chapter 6, Problem 65(choose chapter or problem)
Find = 4x(x2 + 1) dx using two methods: (a) Do the multiplication first, and then antidifferentiate. (b) Use the substitution w = x2 + 1. (c) Explain how the expressions from parts (a) and (b) are different. Are they both correct?
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