关于用“f(a-x)=f(a+x)"判断函数对称性的质疑,我们经常看到用f(a-x)=f(a+x)来做为判断函数f(x)是关于直线x=a对称的判别式,乍一看,似乎是对的,这因为,如果a=1,则函数f(x)是关于直线x=1对称的,如果a=2,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 01:08:27
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