9-36 Evaluate the integral.

2 (x2 1/2 x 2 x dx 1)3/2 1 4x2 dx dx dx 2 a2 x2dx 23. 25. 9 - 25x2 29. 31. 33. 35. 0.6 dx dx dx x2 3 + 2x x2 d x2 + 2xdx x 1 x 4 dx