NTA Abhyas JEE Main2020MathematicsMathematical ReasoningPractice
∼ p ∨ q ∨ ∼ p ∧ q is equivalent to
Options
- Ap
- B∼ p
- Cq
- D∼ q
Correct answer
B. ∼ p
Step-by-step solution
~ p ∨ q ∨ ~ p ∧ q ≡ ~ p ∧ ~ q ∨ ~ p ∧ q (By De morgan's Law) ≡ ∼ p ∧ ∼ q ∨ q (By complement laws) ≡ ~ p ∧ t (By Identity Laws) ≡ ~ p