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A G.P has third term 24 and sixth term 192. Determine the first term and the common ratio

A G.P has third term 24 and sixth term 192. Determine the first term and the common ratio

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John
3rd term of G.P = ar2 = 24

6th term of G.P = ar5 = 192

therefor $\frac{ar^5}{ar^2} \; =\;\frac{192}{24}$

r3 = 8; r = 2

common ratio = 2; 4a = 24

a = first term = 6
johnmulu answered the question on March 8, 2017 at 05:11

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