2
by ayagamba

2015-06-08T12:20:46+08:00

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You just add two in each number.

So the sequence will be

3
3+2 =5
5+2=7
7+2=9
9+2=11
11+2=13
13+2=15 and so on.
2015-06-08T14:44:04+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
If you mean how is the nth term computed,
Notice that this is an arithmetic sequence and the formula for the nth term in any arithmetic sequence is as follows:

where d is the common difference, a subn is the nth term, a sub1 is the 1st term.

In this case our common difference is 2 since:

So:

We can further simplify this, since 3 = 2(1) + 1,