If the ${2^{nd}},{5^{th}}\,and\,{9^{th}}$ terms of a non-constant A.P. are in G.P., then the common ratio of this G.P. is : - DASH

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Question

If the ${2^{nd}},{5^{th}}\,and\,{9^{th}}$ terms of a non-constant A.P. are in G.P., then the common ratio of this G.P. is :

1

${7 \over 4}$

${8 \over 5}$

${4 \over 3}$

Solution

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