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Mathematics 11 Online
OpenStudy (anonymous):

Is the following an arithmetic sequence? 12, 15, 18, 21...

undeadknight26 (undeadknight26):

I believe so.

OpenStudy (anonymous):

that's right

undeadknight26 (undeadknight26):

the common difference is 3 so i believe so.

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Thanks everyone!

OpenStudy (rajat97):

you can find the difference between two consecutive numbers and if it comes out to be the same, then it is an a.p.

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