SOLUTION: if the value of A1= 1/2 and A9=64. what is the value of r in geometric sequence
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Question 979571: if the value of A1= 1/2 and A9=64. what is the value of r in geometric sequence
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
Since we are given the geometric progression, we have
= ,
= = = ,
where is the common ratio of the progression.
It implies that = = : = = .
Hence, = = = 2^(7/8).
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