a-1/a²+2a+1与6/a²-1通分
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 20:39:25
![a-1/a²+2a+1与6/a²-1通分](/uploads/image/z/1080191-47-1.jpg?t=a-1%2Fa%26%23178%3B%2B2a%2B1%E4%B8%8E6%2Fa%26%23178%3B-1%E9%80%9A%E5%88%86)
a-1/a²+2a+1与6/a²-1通分
a-1/a²+2a+1与6/a²-1通分
a-1/a²+2a+1与6/a²-1通分
a-1/a²+2a+1
=(a-1)/(a+1)²
=(a-1)²/[(a-1)(a+1)²]
6/a²-1
=6/[(a+1)(a-1)]
=6(a+1)/[(a-1)(a+1)²]
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 20:39:25
a-1/a²+2a+1与6/a²-1通分
a-1/a²+2a+1与6/a²-1通分
a-1/a²+2a+1与6/a²-1通分
a-1/a²+2a+1
=(a-1)/(a+1)²
=(a-1)²/[(a-1)(a+1)²]
6/a²-1
=6/[(a+1)(a-1)]
=6(a+1)/[(a-1)(a+1)²]