Thread: 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

Did you try, integration by parts?

Originally Posted by Krizalid

Did you try, integration by parts?

oh wow I forgot about that. thank you lol, i got the answer