If the roots of the quadratic equation (a-b)x2+(b-c)x+(c-a)=0 are equal ,prove that2a=b+c

If the roots of the quadratic equation (a-b)x2+(b-c)x+(c-a)=0 are equa

1.	If the roots of the quadratic equation (a-b)x2+(b-c)x+(c-a)=0 are equal ,prove that2a=b+c
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