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Mathematics 8 Online
OpenStudy (anonymous):

what is the equation of the geometric sequence 1, -2, 6, -24...

OpenStudy (anonymous):

\[t _{n}=ar ^{n-1}\] -2/1=-2, 6/-2=-3, -24/-4 this is NOT a geometric sequence. i was trying to find out the common ratio, there isn't one.

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