24/(x+1)+24/(x-1)=10/3,求x的值 24/(x+1)+24/(x-1)=10/3,求x的值
问题描述:
24/(x+1)+24/(x-1)=10/3,求x的值 24/(x+1)+24/(x-1)=10/3,求x的值
答
左右同乘(x-1)(x+1)
24(x-1)+24(x+1)=10/3(x+1)(x-1)
整理得
5X(平方)-72x-5=0
再有万能公式求解
得数会很麻烦