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1,2,4,8,16,"…."...

`1,2,4,8,16,"…."`

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Here, `a=1`
and `r=(2)/(1)=(4)/(2)=(8)/(4)=(16)/(8)="..."=2 i.e.a=1 " and "r=2`
Increasing GP `(agt0,rgt1)`
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