1.

If a_(1),a_(2),a_(3)(a_(1)gt0) are three successive terms of a GP with common ratio r, the value of r for which a_(3)gt4a_(2)-3a_(1) holds is given by

Answer»

`1ltrlt3`
`-3ltrlt-1`
`rlt1` and `rgt3`
none

Answer :C


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