Mathematical Reasoning
medium

$( p \Delta q ) \Rightarrow(( p \Delta \sim q ) \vee((\sim p ) \Delta q ))$ નિત્યસત્ય થાય તે માટે $\Delta \in\{\wedge, \vee, \Rightarrow, \Leftrightarrow\}$ ની પસંદગી કેટલી રીતે થઈ શકે?

A

$1$

B

$2$

C

$3$

D

$4$

(JEE MAIN-2022)

Solution

For tautology $(( p \Delta \sim q ) \vee((\sim p ) \Delta q ))$ must be true.

This is possible only when $\Delta=\vee \ and \Rightarrow$

Standard 11
Mathematics

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