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If the expression in powers of x of the ...

If the expression in powers of `x` of the function `1/((1-ax)(1-bx))` is `a_0+a_1 x+a_2 x^2+a_3 x^3+...` then `a_n` is

A

`(b^(n+1)-a^(n+1))/(b-a)`

B

`(b^n-a^n)/(b-a)`

C

`(a^n-b^n)/(b-a)`

D

`(a^(n+1)-b^(n+1))/(b-a)`

Text Solution

Verified by Experts

The correct Answer is:
A
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