" 6) (i) Find the coefficients of "x^(7)" in "(ax^(2)+(1)/(bx))^(11)

Find the coeficients: (i)x^(7) in (ax^(2)+(1)/(bx))^(11)

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

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

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

the coefficient of x^(7) in (ax - b^(-1) x^(-2))^(11) is

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

If the coefficient of x^(7) in (ax ^(2) +(1)/(bx)) ^(11) equals the corfficient of x^(-7) in (ax- (1)/(bx^(2)))^(11), then a and b satisfy the equation-

If the coefficient of x^(7) in [ax^(2)+((1)/(bx))]^(11) equals the coefficient of x^(-7) in [ax-((1)/(bx^(2)))]^(11) , then a and b satisfy the relation:

If the coefficients of x^(7) in (x^(2)+(1)/(bx))^(11) and x^(-7) in (x-(1)/(bx^(2)))^(11), b ne 0 , are equal, then the value of b is equal to