Home
Class 11
MATHS
If sum(i-1)^(n-1) ((""^(n)C(i-1))/(""^(...

If `sum_(i-1)^(n-1) ((""^(n)C_(i-1))/(""^(n)C_(i)+""^(n)C_(i-1)))^(3) = (36)/(13)`, , then n is equal to

A

11

B

12

C

13

D

10

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

sum_(n=1)^(oo) (""^(n)C_(0) + ""^(n)C_(1) + .......""^(n)C_(n))/(n!) is equal to

sum_(j=1)^(n)sum_(i=1)^(n)i=

sum_ (i = 0) ^ (n) (- 1) ^ (n) (n + 1) * (n) C_ (n) 3 ^ (n)

The sum of the series 1+(1)/(2) ""^(n) C_1 + (1)/(3) ""^(n) C_(2) + ….+ (1)/(n+1) ""^(n) C_(n) is equal to

If sum_(i=1)^(n)sin x_(i)=n then sum_(i=1)^(n)cot x_(i)=