Is the sequence 3, 12, 26..... a geometric sequence? Explain

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asked Dec 13, 2017 230k views

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Is the sequence 3, 12, 26..... a geometric sequence? Explain

Mathematics
high-school

Allen Chak asked

by Allen Chak

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$3;\ 12;\ 26;\ ...\\\\If\ a,\ b,\ c\ is\ a\ geometric\ sequence\ then\ ac=b^2.\\\\check:\\3\cdot12=36\\eq26$

Answer: The sequence 3, 12, 26, ... is not a geometric sequence.

Alan Budzinski answered Dec 20, 2017

by Alan Budzinski

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