1. ## definite integrations

Integral of [sqrt(t)*ln t]dt from 1 to 4.
I tried to do substitution but I think I am doing it wrong

u = ln t
du/dt = 1/t
tdu = dt

the square root in the original problem is confusing me. can someone help?
thanks

2. Did you try, integration by parts?

3. Originally Posted by Krizalid
Did you try, integration by parts?
oh wow I forgot about that. thank you lol, i got the answer