Let be such that is a tautology. Then is equal to :
- (A)
- (B)
- (C)⇒✓ Correct
- (D)⇔
Answer: (C)
Solution
First simplify :
Now test option (C):
This is a tautology, so
Now test option (C):
This is a tautology, so
JEE Main · 2022 · 29 Jun 2022 · Shift 1 · Single correct option