how can i determine if this geom​etric series converges or diverges.

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7.1 + 17.75 + 44.375 + 110.9375....

May 27th, 2015

 An infinite geometric series converges if its common ratio r satisfies –1 < r < 1. Otherwise it diverges.

The geometric series converges when and sums to

Since , this series diverges

May 27th, 2015

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May 27th, 2015
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May 27th, 2015
Jun 25th, 2017
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