Question

Find the indefinite integral

Answer 1

\[\int\limits_{?}^{?} \ln(x^2 +10x + 21)\]

Answer 2

factor the quadratic ?

Answer 3

Then after that what do you do?

Answer 4

and split the ln

Answer 5

ln(ab) = ln(a) + ln(b)

Answer 6

Oh okay, logarithmic property, thanks ! Forget about that sorry.

Answer 7

next you can do it by parts...

Answer 8

or else, straight away u can start by doing it by parts as well.. .

Answer 9

I think you can do it without doing by parts. I think the integral of ln is defined.

Answer 10

oh u wanto use integral of ln(x) ok good :)

Answer 11

yeah I let u = (to the inside of the ln) and then do by parts :) Thanks man!

Answer 12

np :)
verify once you're done :
http://www.wolframalpha.com/input/?i=%5Cint+ln%28x%5E2%2B10x%2B21%29