The sum of first two terms of a $G.P.$ is $1$ and every term of this series is twice of its previous term, then the first term will be
The sum of first two terms of a $G.P.$ is $1$ and every term of this series is twice of its previous term, then the first term will be
- A
$1/4$
- B
$1/3$
- C
$2/3$
- D
$3/4$
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