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Find an explicit formula for the geometric sequence 1/2,-4, 32,-256, .. a(n) =?

Find an explicit formula for the geometric sequence 1/2,-4, 32,-256, .. a(n) =?
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2 votes
Find an explicit formula for the geometric sequence
1/2,-4, 32,-256, ..

a(n) =?

User Bhanu Sinha
by
7.9k points

1 Answer

5 votes
The explicit formula for this arithmetic sequence is A(n)=1/2•(-8)^(n-1)
User Jjhelguero
by
8.4k points
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