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 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

In the binomial expansion of (a+b)^(n) , the coefficients of the 4^(th)and13^(th) terms are equal to each other, find n.

In a binomial expansion (1 + x)^n is a positive integer, the coefficients of 5th, 6th and 7th terms are in A.P., then the value of n is :

If the coefficients of 5th, 6th, 7th terms of (1+x)^n are in A.P. then n=

If in the expansion of (1+x)^(n) the coefficient of 2nd, 3rd and 4th terms are in A.P., then the value of n is-

In a binomial expansion (1+x)^(n),n is a positive integer, the coefficients of 5th, 6th and 7th terms are in A.P., then the value of n is