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If the sum of the series 1 + (2)/(x) + ...

If the sum of the series ` 1 + (2)/(x) + (4)/(x^(2)) + (8)/(x^(3))` + …………….. is a finite number, then:

A

`x lt 2 `

B

`x gt - 2 `

C

`x gt (1)/(2)`

D

`x lt -2` or `x gt 2`

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