In the binomial expansion of `(a+b)^n`, the coefficient of the 4th and 13th 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 (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) coefficients of the fourth and thirteenth terms are equal to each other.Find n.

In the binomial expansion of (1+x)^34 , the coefficients of the (2r-1)th and the (r-5)th terms are equal. Find r.

In the binomial expansion of (1+x)^(43) , the coefficients of the (2r+1) th and (r+2) th terms are equal. Then r=

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

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