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January 30, 2015

January 30, 2015

Posted by **Nelson** on Sunday, September 30, 2007 at 3:59pm.

I am so confused. When I subtract the terms I get a common difference but it is not constant the whole time through (the terms will be different) And when I get the common ratio, I still get different answers. Am I interpreting this problem wrong?

- Sequences...again -
**bobpursley**, Sunday, September 30, 2007 at 5:06pmYes, You are.

Is T_{1}arithemetic or geo?

what is the difference between successive terms:

3.39-2.6=.79

4.297-3.39=.907

so it is not constant, so it is NOT arithemetic. Now, is it geometric

3.39/2.6 =1.2038...

4.297/3.39=1.267

the ratio is not constant ( assuming you typed the terms correctly) so it is not geometric.

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