Find the 4th term from the beginning and `4^(th)` term from the end in the expansion of `(x+2/x)^9`

Find the 11th term form the beginning and the 11th term form the end of the expansion of (2x-1/(x^2))^(25)dot

Let x be the 7^(th) term from the beginning and y be the 7^(th) term from the end in the expansion of (3^(1//3)+(1)/(4^(1//3)))^(n . If y=12x then the value of n is :

Let x be the 7^(th) term from the beginning and y be the 7^(th) term from the end in the expansion of (3^(1//3)+(1)/(4^(1//3)))^(n . If y=12x then the value of n is :

Find the r^ (th) term from the end in the expansion of (x+a)^n .

Find the 4the term from the end in the expansion of (x^3/2-2/x^2)^9

5th term from the end in the expansion of (x^2/2-2/x^2)^12 is

Find the 4th term from the end in the expansion of ((4x)/5-5/(2x))^9

Find the 5 th term from the end in the expansion of (x^3/2-2/x^2)^9

Find the 5 th term from the end in the expansion of (x^3/2-2/x^2)^9

Find the 11 th term form the beginning and the 11 th term form the end I the expansion of (2x-(1)/(x^(2)))^(25)