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If the coefficient of x^7 in (ax^2+1/(bx...

If the coefficient of `x^7` in `(ax^2+1/(bx))^11` is equal to the coefficient of `x^7` in `(ax-1/(bx^2))^11` then

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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^(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^(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 [ax^(2)-((1)/(bx^(2)))]^(11) equal the coefficient of x^(-7) in satisfy the [ax-((1)/(bx^(2)))]^(11), then a and b satisfy the relation a+b=1 b.a-b=1 c.b=1 d.(a)/(b)=1

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

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