If the roots of the equation (b-c)x²+(c-a)x+(a-b)=0 are equal prove that 2b=a+c
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Here; quadratic equation is in the form of ax sqaure +bx +c =0..then..a=(b-c),b=(c-a),c=(a-b)
(b-c)+(a-b)b+b=a+c2b=a+c