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【高等数学习题】函数 |x| 的导函数怎么求? 有什么注意点?
[高等数学学习系列] 分段函数在分段点处的导数一般要通过左右导数的定义分别求出左右导数后, 利用导数存在的充要条件来, 判定在分段点处的导数是否存在. 而在每一段内的函数的导数, 仍然可以利用导数公式与求导法则求得.
高等数学(上)习题集37/264
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