[" Find the coefficient of "x^(7)" in the expandion "],[" of "quad (3x^(2)+(1)/(5x))^(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 (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 x^(7) in the expansion of (x^(2)+(1)/(x^(2)))^(11)

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

Find the coefficients of x^(-2) in the expansion of (3x-(7)/(x))^(8)

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

Find the coefficient of x^(4) in the expansion of (1+x+x^(2)+x^(3))^(11) .

Find the coefficient of x^(4) in the expansion of (1+x+x^(2)+x^(3))^(11) .