If the coefficient of `x^10` in the expansion of `(ax^2+1/(bx))^11` is equal to the coefficient of `x^-10` in the expansion of `(ax-1/(bx^2))^11` , find the relation between a and b, where a and bare real numbers.

Prove that : If the coefficients of x^(10) in the expansion of (ax^(2)+(1)/("bx"))^(11) is equal to the coeffi cient of x^(-10) in the expansion of (ax-(1)/("bx"^(2)))^(11) , find the relation between a and b where a and b are real numbers.

Find the coefficient of x^7 in the expansion of (x^(2) +1/x)^(11)

Find the coefficient of x^8 in the expansion of (x^2-1/x)^(10)

Find the coefficient of x^8 in the expansion of (x^2-1/x)^(10)

Find the coefficient of x^8 in the expansion of (x^2-1/x)^(10)

Find the coefficient of x^(10) in the expansion of (1-x^(2))^(10)

Find the coefficient of x^(10) in the expansion of (1-x^(2))^(10)

Find the coefficient of x^(10) in the expansion of (1-x^(2))^(10)