学帮网用英语回答这个问题Why do you need to check the solution(s) of a rational equation?
来源：学生作业学帮网 编辑：学帮网 时间：2024/06/25 02:58:54
用英语回答这个问题Why do you need to check the solution(s) of a rational equation?
Because sometimes the answer will make one of your denominators 0,and this means it is an extraneous solution.
中文就是避免增根.
为什么你需要检验有理方程式的解呢？
为什么你要用有理方程式来检验解答呢
I need to check the solutiins because I do not want to make careless mistakes.
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