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  • ''Lemma:'' The radical axis of two pairs of circles <math>O_1</math>, <math>O_2</ma The proof of this lemma is trivial using the argument in Solution 3 and applying the converse of Po
    5 KB (854 words) - 04:48, 4 September 2024
  • '''Lemma 1: <math>\text{max} (\frac{ab+bc+ac}{(a+b+c)^2})=\frac{1}{3}</math>''' '''Lemma 2: <math>\frac{ab+bc+ac}{(a+b+c)^2}>\frac{1}{4}</math>'''
    64 KB (10,594 words) - 21:50, 9 January 2025
  • Lemma <math>1</math>: Proof of Lemma <math>1</math>:
    2 KB (469 words) - 20:42, 19 July 2024