[" 9.If the coefficient of "x^(7)" in the expansion of "(px^(2)+(1)/(qx))^(11)" is equal to the "],[" cofficient of "x^(-7)" in the expansion of "(px-(1)/(qx^(2)))^(11)" ,then "]

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

Find the coefficient of x^(-7) in the expansion of (2x-(1)/(3x^(2)))^(11)

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

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

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.

If the coefficient of x^(7) in the expansion of (ax^(2) +1/(bx))^(11) is equal to the coefficient of x^(-7) in the expansion of (ax- 1/(bx^(2)))^(11) are equal then prove that ab = 1 .

Find the coefficient of x^7 in the expansion of (3x^2+ 1/(5x))^11

Find the coefficient of x^7 in the expansion of (3x^2+ 1/(5x))^11