Need help finding an antiderivative

[leesa]

need help finding an antiderivative!

Homework Statement

1
∫ 36/ (2x + 1) ^3 dx
0
I just can't figure out how to take the antiderivative of this! What do I do with the (2x +1) ^3??

Homework Equations

The Attempt at a Solution

 

[NBAJam100]

Homework Statement

1
∫ 36/ (2x + 1) ^3 dx
0
I just can't figure out how to take the antiderivative of this! What do I do with the (2x +1) ^3??

Homework Equations

The Attempt at a Solution

set u=2x+1 and do u-substitution

 

[leesa]

ok! I get it. I was looking in the wrong part of the book and I thought the directions said to use part 2 of the fundamental theorem! So I was freaking out because I was sure the theorem couldn't be used for this. thanks! sorry I asked a stupid question.

 

[NBAJam100]

haha no problem. there are no stupid questions!