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Mathematical Reasoning
hard
વિધાન $p \rightarrow (q \wedge r)$ નું નિષેધ = …….
A
$\sim p \rightarrow \sim (q \wedge r)$
B
$\sim p \vee (q \wedge r)$
C
$(q \wedge r) \rightarrow p$
D
$p \wedge (\sim q \vee \sim r)$
Solution
$\sim (p \rightarrow (q \wedge r)) \equiv p \wedge \sim (q \wedge r) $
(કારણ કે $\sim (p \rightarrow q) \equiv p \wedge \sim q)$
$\equiv p \wedge (\sim q \vee \sim r)$
Standard 11
Mathematics