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JEE Main 2022 Mathematics question

MathematicsMathematical ReasoningJEE Main 2022

Not in JEE syllabus

The number of choices for Extra open brace or missing close brace\Delta \in {\wedge, , , Extra close brace or missing open brace\Leftrightarrow }, such that (p ~q) ((~p) q)) is a tautology, is -

Answer: (2)

Solution

For : (p ~q) (~p q) is always true, so the statement is a tautology. For : ( ~q) (~p ) = (~p ~q) (p q), always true, so it is a tautology. For $Δ

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Question ID VK-024149