A function satisfies with condition . Then is equal to
- (A)1✓ Correct
- (B)0
- (C)-1
- (D)2
Answer: (A)
Solution
, i.e. .
Notice the left side is exactly , since .
At : and , so .
At : , so .
Key confirmed: A.
Notice the left side is exactly , since .
At : and , so .
At : , so .
Key confirmed: A.
JEE Main · 2024 · 29 Jan 2024 · Shift 1 · Single correct option