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If ax^2 + 2bx + c = 0 and a1x^2 + 2b(1)x...

If `ax^2 + 2bx + c = 0` and `a_1x^2 + 2b_(1)x + c_(1) = 0` have a common root and `a/a_(1), b/b_(1),c/c_(1)` are in A.P. show that `a_(1), b_(1), c_(1)` are in G.P.

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