If two roots of the quadratic equation (b-c)x²+(c-a)x+(a−b)=0 are equal, then let us prove that, 2b=a+c.zz !​


If two roots of the quadratic equation (b-c)x²+(c-a)x+(a−b)=0 are equal, then let us
prove that, 2b=a+c.zz !​


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