Let denote the greatest integer less than or equal to . Then, the value of the integral is equal to
- (A)-1
- (B)
- (C)✓ Correct
- (D)
Answer: (C)
Solution
First, analyze on :
Breaking the integral:
Evaluating:

- At : , so
- At : , so
- At : , so
- At : , so
- The function crosses at
Breaking the integral:
Evaluating:

JEE Main · 2022 · 28 Jun 2022 · Shift 1 · Single correct option