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Mathematical Reasoning
easy
कथन $\sim p \wedge( p \vee q )$ का निषेध है :
A
$\sim p \vee q$
B
$p \vee \sim q$
C
$\sim p \wedge q$
D
$p \wedge \sim q$
(JEE MAIN-2021)
Solution
$\sim(\sim p \wedge(p \vee q))$
$p \vee(\sim p \wedge \sim q)$
$\underbrace{(p v \sim p)}_{t} \wedge(p v \sim q)$
$p \vee \sim q$
Standard 11
Mathematics