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If alpha, beta are the roots of ax^(2)+2...

If `alpha, beta` are the roots of `ax^(2)+2bx+c=0 and alpha +delta, beta + delta` are those of `Ax^(2)+2Bx+C=0`, then prove that `(b^(2)-ac)/(B^(2)-AC)= ((a)/(A))^(2)`

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