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3 votes
3 votes
What kind of sequence
1/3, 2/9, 3/64, 4,81

User Jonschlinkert
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1 Answer

18 votes
18 votes

The explicit formula for a geometric sequence is of the form a n = a 1 r-1, where r is the common ratio. A geometric sequence can be defined recursively by the formulas a 1 = c, a n+1 = ra n, where c is a constant and r is the common ratio.

User De Wet Ellis
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