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Geometric sequence, help how to find the value of a9 (5 points) for best answer
[From: ][author: ][Date: 12-06-12][Hit: ]
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In a geometric sequence, a[8]=64 and a[10]=0.25 use the geometric mean to find the value of a[9]
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sqrt (64 * 0.25 )
= sqrt 16
= 4
1
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