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Which of the following is a geometric sequence?

A. 7,4,1,-2,...
B. 1, 1/2,1/4,1/8,...
C. 1,1,2,3,5,...
D. 2,4,6,8


User Crew HaXor
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1 Answer

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A. 7,4,1,-2,.............
User Tfinniga
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