If in the binomial expansion of `(1+x)^n`, the coefficient of `14th, 15th` and `16th` terms are in `A.P.`, then find n.

If in the expansion of (1+x)^n the coefficients of 14th, 15th and 16th terms are in A.P. then n= (A) 12 (B) 23 (C) 27 (D) 34

If coefficient of 9th, 10th and 11th terms of (1+x)^(n) are in A.P., then the value of n can be

For expansion of (1 + x)^(n) , coefficient of 5th term is ___

If in the expansion of (a+b)^(n) the coefficient of 4^(th) and 13^(th) term are equal.Find the value of n

In the expansion of (1+x)^(n) the coefficient of p^(th) and (p+1)^(th) terms are respectively p and q.Then p+q=

In the expansion of (X+y)^(n) , the coefficients of the 17th and the 13th terms equal. Find the numbher of term in the expansion

In the binomial expansion (a-b)^n, nge5 the sum of 5th and 6th terms is zero. Then find a/b