Integration examples:
1) what is the integral of sin(x) ?
2) what is the integral of 1/x ?
3) What is ∫x3 dx ?
4) What is ∫√x dx ?
5) What is ∫√x dx ?
6) What is ∫6x2 dx ?
7) What is ∫cos x + x dx ?
8) What is ∫ew − 3 dw ?
9) What is ∫8z + 4z3 − 6z2 dz ?