JEE Math Practice Question
Let $$\Delta$$ $$\in$$ {$$\wedge$$, $$\vee$$, $$\Rightarrow$$, $$\Leftrightarrow$$} be such that (p $$\wedge$$ q) $$\Delta$$ ((p $$\vee$$ q) $$\Rightarrow$$ q) is a tautology. Then $$\Delta$$ is equal to :
- A.$$\wedge$$
- B.$$\vee$$
- C.$$\Rightarrow$$
- D.$$\Leftrightarrow$$
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