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The 3rd and 6th terms of a geometric progression are 8 and 64 respectively. Find the value of the 9th term

 Jul 2, 2020
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F * R^2=8, 
F * R^5=64, solve for F, R
F = 2 - This is the first term
R = 2 - This the common ratio.
9th term =2 * 2^(9 - 1)
               =2 * 2^8
               = 512 - the 9th term.

 Jul 2, 2020

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