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LAllsopp
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What makes a sequence "Arithmetic"?
Sequences that have a common difference

What makes a sequence "Geometric"?
Sequences that have a common ratio

When will a sequence have a "sum to infinity"?
when the value of r is between 1 and 1.
Ie 1<r<1

Is this sequence arithmetic or geometric?
2, 5, 8, 11, 14....
Arithmetic

Is this sequence arithmetic or geometric?
2, 4, 8, 16, 32.......
Geometric

