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If a1/a2, b1/b2,c1/c2 are in AP and th...

If `a_1/a_2, b_1/b_2,c_1/c_2` are in AP and the equations `a_1x^2 +2b_1x+c_1=0` and `a_2x^2 +2b_2x+c_2=0` have a common root, prove that `a_2, b_2, c_2` are in G.P

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