Home
Class 12
MATHS
If the coefficient of x^7 in (x^2+1/(bx)...

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`

Text Solution

Verified by Experts

The correct Answer is:
`b=1`
Promotional Banner

Similar Questions

Explore conceptually related problems

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 :

The coefficient of x^(7) in (1-x)/((1+x)^(2)) is

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

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

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

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

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.