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Let a,b and c be the side lengths of a triangle ABC and assume that a≤b and a≤c. If x=b+c−a2, then the minimum value of axrR, where r and R denote the inradius and circumradius, respectively of triangle ABC, is

Answer» Let a,b and c be the side lengths of a triangle ABC and assume that ab and ac. If x=b+ca2, then the minimum value of axrR, where r and R denote the inradius and circumradius, respectively of triangle ABC, is


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