Question

${}^{2n}{C}_0.{}^{2n}{C}_1,{}^{2n}{C}_3......{}^{2n}{C}_n$(where n is even) is

• A. $2n{C}_{n/2}$
• B. $\frac{{}^{2n}{C}_{n+2}}{2}$
• C. $\frac{{}^{2n}{C}_{n-2}}{2}$
• D. None of these

Answer 1

Answer: (D)

Correct answer is (d) None of these