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paulmdrdo
Active member
- May 13, 2013
- 386
can someone give me hints how to solve this.
$\displaystyle \int\frac{ln^2\,3x}{x}dx$

$\displaystyle \int\frac{ln^2\,3x}{x}dx$
Hi paulmdrdo,can someone give me hints how to solve this.
$\displaystyle \int\frac{ln^2\,3x}{x}dx$
To add to Sudharaka's sage suggestion, whenever you have a ln in numerator and x in the denominator of the integrand, some kind of u = ln(x) substitution bears looking into.can someone give me hints how to solve this.
$\displaystyle \int\frac{ln^2\,3x}{x}dx$