Question: 21. Evaluate the indefinite integral. xcos9x dx - X a. sin9x + 81 -cos9x + C X b. cos9x + 81 sin9x + C X

 21. Evaluate the indefinite integral. xcos9x dx - X a. sin9x+ 81 -cos9x + C X b. cos9x + 81 sin9x +

C X C. cos9x + 9 sin9x + C X d. 81cos9x + sin9x + C e. None of these22. Set up, but

21. Evaluate the indefinite integral. xcos9x dx - X a. sin9x + 81 -cos9x + C X b. cos9x + 81 sin9x + C X C. cos9x + 9 sin9x + C X d. 81 cos9x + sin9x + C e. None of these22. Set up, but do not evaluate, an integral for the area of the surface ebtained by rotating the curve about the given axis

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!