∫x2x3−1dx=∫(x2x3−x21)dx
=∫(x3−2−x21)dx
=∫(x−x21)dx
=∫(x−x−2)dx
Using the power rule ∫xndx=n+1xn+1+c:
∫xdx=2x2
∫x−2dx=−1x−1=−x−1=−x1
∫x2x3−1dx=2x2−(−x1)+c
=2x2+x1+c
Therefore, the answer is 2x2+x1+c where c is the constant of integration.