Mathematics · 2023
JEE Main · 30 January 2023, Shift 1 · Q80
Among the statements: (S1) ((p q) ⇒ r) ⇔(p ⇒ r) (S2) ((p q) ⇒ r) ⇔((p ⇒ r) (q ⇒ r))
Among the statements :
(S1) $\displaystyle ((p \vee q) \Rightarrow r) \Leftrightarrow(p \Rightarrow r)$
(S2) $\displaystyle ((p \vee q) \Rightarrow r) \Leftrightarrow((p \Rightarrow r) \vee(q \Rightarrow r))$
Official answer
From NTA’s final answer key for this paper.
(3)
neither (S1) nor (S2) is a tautology
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.