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The sixth term of GP is 16 and the third term is 2.Find the first term and common ratio. 6th term =16 3rd term=2 So ar^5=16 and ar^2=2, then divide. So r^3=8, and r^3 =2^3. Therefore r =2 and a=1/2

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3 answers
  1. Looks good to me.

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  2. The formula of the GP

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  3. Thanks 😊

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