The 1st, 2nd and 3rd terms of a geometric progression are also the 1st, 5th and 7th terms respectively of an arithmetic progression.
The geometric progression has first term and common ratio , where .
Find the value of .
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The 1st, 2nd and 3rd terms of a geometric progression are also the 1st, 5th and 7th terms respectively of an arithmetic progression.
The geometric progression has first term and common ratio , where .
Find the value of .
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