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For {12, 15, 18} each term is the previous term plus 3; a general formula for the nth term is given by t(n) = 3n + 9.

For {12, 24, 36} each term is the previous term plus 12; a general formula for the nth term is given by t(n) = 12n.

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โˆ™ 2015-08-26 09:10:41
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Q: What is the pattern of 12 15 18 and 12 24 36?
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