【判断题】【消耗次数：1】
函数y=xsin(1/x)在x=0处既不连续也不可导
①
正确
②
错误
参考答案：
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相关题目
【单选题】
下列函数在x=0处不可导的是（ ）
①
<img class=jc-formula data-tex=y=x\left| x \right| src=https://huaweicloudobs.ahjxjy.cn/5C41FA7B730A7E1A363E5C5BDBD60E95.png style=vertical-align: middle;/>
②
y=sinx
③
y=<img class=jc-formula data-tex=\begin{ cases } x-1,\quad x\ge 0 \\ 2x+3,x0 \end{ cases } src=https://huaweicloudobs.ahjxjy.cn/D2E2F6C0CFCFE2EBD80EB0BDBAF5BFCF.png style=vertical-align: middle;/>
④
y=ln(x+1)
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