Proving a relation related to quadratic equation – math.stackexchange.com

Question:If $α$ and $β$ be the roots of $ax^2+2bx+c=0$ and $α+δ$, $β+δ$ be those of $Ax^2+2Bx+C=0$, prove that, $\frac{b^2-ac}{a^2}=\frac{B^2-AC}{A^2}$ My Attempt: Finding the sum of roots and ...

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