It comes from integrating by parts twice. Let

Recall the IBP formula,

Let


Then

Apply IBP once more, with


Notice that the ∫ v du term contains the original integral, so that




Answer:
Here is your answer!
Step-by-step explanation:
Step-by-step explanation:
1) -22
2) -172.368
hope it helps
A. 2/5 B. 1/3 just like the other person said lol