Methods of integration

Evaluate each of the following: (x1/3 _ x1/4) dx 1. 4x1/2 (x + 4) dx 2. (x + 2 ) vx+5 xdx 3. (2x + 1) 4/3 dx 4. x2 (4+ x3) 2/3 dx 5. x4V1 + x2 dx 6. Let x = xV4x - x2 dx 7. 2 - sin x