JEE Main · MathematicsMedium
The statement is:
- A.A tautology
- B.A contradiction
- C.Equivalent to
- D.Equivalent to
Show correct answer & step-by-step solution
Correct answer: A — A tautology
Solution
- We start with the expression .
- Applying the distributive law to the antecedent, we get .
- Since is a contradiction (), the expression simplifies to , which is equivalent to .
- The full implication is , which is a tautology because if is true, then must be true.
- Hence the answer is (A).
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