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

1 Answer

5 votes

(1)/(6) : Common ratio

Check:
=
-(1)/(12) ÷
(1)/(6)
=
-(1)/(12) × 6
=
-(1)/(2)

=
-(1)/(2) ÷
(1)/(6)
=
- (1)/(2) × 6
=-3
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