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If the equation (1+m^2)x^2+2m c x+(c^2-a...

If the equation `(1+m^2)x^2+2m c x+(c^2-a^2)=0` has equal roots, prove that `c^2=a^2(1+m^2)dot`

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
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  7. The positive value of k for which the equation x^2+k x+64=0 and x^2-8x...

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