数学分式的加减请写出过程,
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/24 17:22:01
数学分式的加减
![](http://img.wesiedu.com/upload/f/af/faf85e5a2a46cb734d4da19f17ca3d34.jpg)
请写出过程,
![](http://img.wesiedu.com/upload/f/af/faf85e5a2a46cb734d4da19f17ca3d34.jpg)
请写出过程,
![数学分式的加减请写出过程,](/uploads/image/z/7018309-37-9.jpg?t=%E6%95%B0%E5%AD%A6%E5%88%86%E5%BC%8F%E7%9A%84%E5%8A%A0%E5%87%8F%E8%AF%B7%E5%86%99%E5%87%BA%E8%BF%87%E7%A8%8B%2C)
1/(a-1)-2/(1-a^2)
=1/(a-1)-2/(1-a)(1+a)
=1/(a-1)+2/(a-1)(1+a)
=(a+1)/(a-1)(a+1)+2/(a-1)(a+1)
=(a+3)/(a^2-1)
希望能帮到你
=1/(a-1)-2/(1-a)(1+a)
=1/(a-1)+2/(a-1)(1+a)
=(a+1)/(a-1)(a+1)+2/(a-1)(a+1)
=(a+3)/(a^2-1)
希望能帮到你