1.

If (7x-1)/(1-5x+6x^(2)) is expanded in ascending powers of x when abs(x) lt 1/3 then the coefficient of x^(n) is

Answer»

`(-5)2^(N)+4*3^(n)`
`5*2^(n)+(-4)3^(n)`
`-5.2^(n)+4*3^(n)`
`5.2^(n)+4.3^(n)`

Answer :A


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