The region under the curve from to is rotated through about the -axis. Find the exact volume generated.
Answer and explanation
Correct answer: B.
- Step 1: . Step 2. . **Answer: . Why not the others:** : That integrates as if it were . : That omits the division by 2. : That omits the factor .
Practise more Calculus: techniques and applications.
Free questions with an explanation for every one, and full timed Singapore GCE A-Level mock tests.