If C_r={ }^n C_r and (C_0+C_1) (C_1+C_2) . . . (C_{n+1}+C_n) =K \frac{(n+1)^n}{n !}, then the value of K is

Correct Answer is : C0C1C2...Cn

{\C}_0 {\C}_1 {\C}_2 . . . {\C}_n

{\C}_0 {\C}_1+ {\C}_1 {\C}_2+ {\C}_2 {\C}_3+. . .+ {\C}_n {\C}_{n+1}

CGPET 2021 Solved Paper

Section: Mathematics

Question : 128 of 150

Marks: +1, -0

If ‌‌Cr=‌nCr‌‌ and ‌‌(C0+C1)(C1+C2)... (Cn+1+Cn)=K‌

(n+1)n

, then the value of K is

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