Apr 26, 2012 #1 juantheron Messages 243 Reaction score 1 $\displaystyle \int \frac{x^2\cos^{-1}\left(x\sqrt{x}\right)}{(1-x^3)^2}dx$
Apr 27, 2012 #2 Amer Messages 259 Reaction score 0 integrate by parts dv = \frac{x^2}{(1-x^3)^2} and u = \cos ^{-1} (x \sqrt{x} )