# 2 integral questions

1. Feb 7, 2004

### stoffer

Can anybody help me with the integral of 1/ (x^1/3 + x^1/4)
(cube root and fourth root of x) I dont really know where to start.

Also my roomate and i were wondering if x^sin(x) exists or if it has to be expressed and integrated as some sort of series.(something i havent learned yet)

2. Feb 7, 2004

### himanshu121

For first substitute x=t12 which will eliminate rational power

For part2 Post it in Calculus & analysis Section

Last edited: Feb 7, 2004