If the coefficient of `x^7in[a x^2-(1/(b x^2))]^(11)` equal the coefficient of `x^(-7)` in satisfy the `[a x-(1/(b x^2))]^(11),t h e naa n db` satisfy the relation `a+b=1` b. `a-b=1` c. `b=1` d. `a/b=1`

If the coefficient of x^(8) in (ax^(2) + (1)/( bx) )^(13) is equal to the coefficient of x^(-8) in (ax- (1)/( bx^(2) ) )^(13) , then a and b will satisfy the relation

If the coefficient of x^8 in (ax^2 + (1)/(bx))^13 is equal to the coefficient of x^(-8) in (ax - (1)/(bx^2))^13 , then a and b will satisfy the relation :

If the coefficient of x^7 in (x^2+1/(bx))^11 is equal to coefficient at x^-7 in (x+1/(bx^2))^11 Then find value of b

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.

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 .

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

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.

If the coefficient of x^(7) in (ax+(1)/(x)) and x^(-7)" in" (bx-(1)/(x))^(9) are equal, find the relation between a and b?