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In a triangle ABC, r1,r2,r3 are the ex-radii of the ex-circles. If a=r1+r2+r3r and b=r1r2r3r3, where r is the inradius then the minimum value of ((amin3)tan2A+(bmin9)cot2A) is

Answer» In a triangle ABC, r1,r2,r3 are the ex-radii of the ex-circles. If a=r1+r2+r3r and b=r1r2r3r3, where r is the inradius then the minimum value of ((amin3)tan2A+(bmin9)cot2A) is


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