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If a, b, c are in A.P., b, c, d are in G...

If a, b, c are in A.P., b, c, d are in G.P. and `1/c ,1/d ,1/e`are in A.P. prove that a, c, e are in G.P.

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G.P.
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MODERN PUBLICATION-SEQUENCES AND SERIES-MISCELLANEOUS EXERCISE ON CHAPTER 28
  1. If a, b, c are in A.P., b, c, d are in G.P. and 1/c ,1/d ,1/eare in A....

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