Which of the following Boolean expression is a tautology? | CGP Edu

Maths Mathematical Logic and Boolean Algebra ( Not In Syllabus ) JEE Main 2021 - ( Mathematical Reasoning ) Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 11, 2026

Which of the following Boolean expression is a tautology?

A

B

C

D

Text Solution

Verified by Experts

The correct answer is:

d JEE Main 2021

is tautology

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