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If (e^(x))/(1-x) = B(0) +B(1)x+B(2)x^(2)...

If `(e^(x))/(1-x) = B_(0) +B_(1)x+B_(2)x^(2)+...+B_(n)x^(n)+... `, then the value of `B_(n) - B_(n-1)` is

A

`(1)/(n!)`

B

`(1)/((n-1)!)`

C

`(1)/(n!) - (1)/((n -1)!)`

D

1

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