In the binomial expansion of `(a+b)^n` , coefficients of the fourth and thirteenth terms are equal to each other. Find `n` .

In the binomial expansion (a+b)^n , the coefficients of fourth and thirteenth terms are equal to each other. Find n.

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 the binomial expansion of (1+x)^n , coefficients of the fifth, sixth and seventh terms are in A.P. find all the values of n for which this can happen.

In the binomial expansion of (a - b)^(n) , n gt= 5 , the sum of 5^(th) and 6^(th) term a/b equals

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

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

In the binomial expansion of (a - b)^n , n ge 5 the sum of the 5th and 6th term is zero , then find a/b

In the binomial expansion of (a - b)^n , n ge 5 the sum of the 5th and 6th term is zero , then find a/b