See attached problem.
Integrate from 0 to 3, (pi*x/100)*(sin(pi*x^2/9))dx.© BrainMass Inc. brainmass.com March 4, 2021, 8:53 pm ad1c9bdddf
Let u = πx2/9. Then, du/dx = 2πx/9. Solving for dx gives us dx = 9du/2πx. Plug the two statements I've put ...
The expert examines an integration volume problem.