# Math Help - Please Solve my integration Question

1. ## Please Solve my integration Question

Integration

2. Originally Posted by king imran
The first one asks you to compute $\int3x^2y^3\,dy,$ so $3x^2$ behaves like a constant, you can take it apart of the integral, so it remains to integrate $y^3.$

It looks like the second one has to do with a differential equation, well, note that $v^2+2v+1=(v+1)^2.$ Define a simple substitution on the LHS and you're done (of course, the RHS is a known integral.)