Evaluate the integral using integration by parts. [9x csc ²3x dx [9x csc ²3x dx = (Type an exact answer.)

find the inderinite integral it 2. dx 7-3x3

Identify u and  du dx  for the integral        un    du dx    dx.   (4 − 6x2)4(−12x) dx

Combine the technique of completing the square with a trignometric substitution to evaluate the following integrals. 1 34. dx x²-6x 35. 5. / x² + 2 x + 5 da 1 dx