What is the common ratio of the geometric sequence: -1/12.-1/2,-3,18,...

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08-04-2016
Mathematics

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What is the common ratio of the geometric sequence: -1/12.-1/2,-3,18,...

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penfila11Pen penfila11Pen · Answer 1 · 2016-04-09T09:59:32+02:00

penfila11Pen penfila11Pen

09-04-2016

[tex] \frac{1}{6} [/tex] : Common ratio

Check:
=[tex] -\frac{1}{12} [/tex] ÷ [tex] \frac{1}{6} [/tex]
=[tex] -\frac{1}{12} [/tex] × 6
=[tex] -\frac{1}{2} [/tex]

=[tex] -\frac{1}{2} [/tex] ÷ [tex] \frac{1}{6} [/tex]
=[tex]- \frac{1}{2} [/tex] × 6
=-3

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