- #1
N468989
- 92
- 0
Homework Statement
[tex]\int4x^-3*ln(9x)[/tex]
Homework Equations
[tex]\int u'*v = u*v - \int u*v'[/tex]
The Attempt at a Solution
i know the answer is [tex]\frac{-2ln(9x)-1}{x^2}[/tex]
but i don't understand the step [tex]\int u*v'[/tex]
if any could help me...thanks