" 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 (x^(2)+(1)/(x^(2)))^(11)

Find the coefficient of x^(7) in the expansion of (ax^(2) + (1)/(bx))^(11) . (ii) the coefficient of x^(-7) in the expansion of (ax + (1)/(bx^2))^(11) . Also , find the relation between a and b , so that these coefficients are equal .

Find the coefficient of x^(7) in the expansion of (ax^(2) + (1)/(bx))^(11) . (ii) the coefficient of x^(-7) in the expansion of (ax - (1)/(bx^2))^(11) . Also , find the relation between a and b , so that these coefficients are equal .

Find the coefficient of x^(7) in the expansion of (ax^(2) + (1)/(bx))^(11) . (ii) the coefficient of x^(-7) in the expansion of (ax + (1)/(bx^2))^(11) . Also , find the relation between a and b , so that these coefficients are equal .

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

Find the coefficient of x^(3) in the expansion of (2-3x)^(7) .

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

Find the coefficient of x^(-11) in the expansion of (x^(2)-(1)/(x^(3)))^(12)

Find the coefficient of x^(6) in the expansion of (1-3x)^((-2)/(5))

Find the coefficient of x^3 in the expansion of (2-3x)^7 ?