Some geometric inequalities relating to an interior point in triangle

• Autores: Yu-Dong Wu, Zhi-Jua Zhang, Chun-Lei Liang
• Localización: International journal of mathematical education in science and technology, ISSN 0020-739X, Vol. 41, Nº. 5, 2010, págs. 677-687
• Idioma: inglés
• DOI: 10.1080/00207391003605197
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• Resumen

  • In this short note, by using one of Li and Liu's theorems [K.-H. Li, The solution of CIQ. 39, Commun. Stud. Inequal. 11(1) (2004), p. 162 (in Chinese)], s-R-r method, Cauchy's inequality and the theory of convex function, we solve some geometric inequalities conjectures relating to an interior point in triangle.