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If the roots of the equation (c^2-a b)x^...

If the roots of the equation `(c^2-a b)x^2-2(a^2-b c)x+b^2-a c=0` are equal, prove that either `a=0` or `a^3+b^3+c^3=3a b c dot`

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RD SHARMA ENGLISH-QUADRATIC EQUATIONS-All Questions
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