need help with integration by parts...

[thirtythree]

Text (pdf)

can't do 6 or 3 and its variants using the methods I've been using on the others. I was absent so I don't know if we learned anything new.

oh, and I don't need just the answers. I already have those.

 

[JohnCU]

3. Keep doing integration by parts until you get what you started with, then just solve for what you want.

6. Do a U substitution for 2x first.

 

[r6ashih]

try U substitution for 6? i was never good in calc =(

 

[thirtythree]

Originally posted by: JohnCU
3. Keep doing integration by parts until you get what you started with, then just solve for what you want.

ah, that makes sense.

6. Do a U substitution for 2x first.

okay, thanks.