..救急.....已知b+c/a,a+c/b,a+b/c成等差数列,求证1/a,1/b,1/c也成等差数列

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 07:52:17
..救急.....已知b+c/a,a+c/b,a+b/c成等差数列,求证1/a,1/b,1/c也成等差数列
x @E?(qp?/>bQ&l.MH9FiQ-.}^ˢf(CSjOCpUH{Y-Sjo,FF7I"!_'02o}Ǧyu7VR'HAa`4ԕꁻ NY8cS^qͩ7cD0w 4`Kr{{9

..救急.....已知b+c/a,a+c/b,a+b/c成等差数列,求证1/a,1/b,1/c也成等差数列
..救急.....
已知b+c/a,a+c/b,a+b/c成等差数列,求证1/a,1/b,1/c也成等差数列

..救急.....已知b+c/a,a+c/b,a+b/c成等差数列,求证1/a,1/b,1/c也成等差数列
已发至你邮箱~请查收~~

反证法
打数学太麻烦,告诉你思路就是了