If the equation (1+m^2)x^2+2mcx+c^2-a^2=0 has equal roots, show that c^2=a^2(1+m^2).

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answered Feb 1, 2018 by Vikash Kumar (144,729 points)

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If the equation (1+m^2)x^2+2mcx+c^2-a^2=0 has equal roots, show that c^2=a^2(1+m^2).

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