Answers

2016-07-17T11:03:09+08:00
Lets give an example :

Find the next term of the sequence :
1, 2, _

In the first, we will answer 3 because the common difference is 2 and it forms an arithmetic sequence. BUT, it also forms a geometric sequence with common ratio 2, so the next term can also be 4.

PS. Sorry for the grammars
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