MCQ
The negation of the Boolean expression $p ∨ (\sim p ∧ q)$ is equivalent to $\sim$
- A$p ∧ \sim q$
- ✓$\sim p ∧ \sim q$
- C$\sim p ∨ \sim q$
- D$\sim p ∨ q$
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Let $\mathrm{a}=1+\frac{{ }^2 \mathrm{C}_2}{3 !}+\frac{{ }^3 \mathrm{C}_2}{4 !}+\frac{{ }^4 \mathrm{C}_2}{5 !}+\ldots$, Then $\frac{2 b}{a^2}$ is equal to.........................