本次共计算 1 个题目:每一题对 x 求 1 阶导数。
注意,变量是区分大小写的。\[ \begin{equation}\begin{split}【1/1】求函数\frac{({x}^{2}sin(\frac{1}{x}))}{sin(x)} 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = \frac{x^{2}sin(\frac{1}{x})}{sin(x)}\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( \frac{x^{2}sin(\frac{1}{x})}{sin(x)}\right)}{dx}\\=&\frac{2xsin(\frac{1}{x})}{sin(x)} + \frac{x^{2}cos(\frac{1}{x})*-1}{x^{2}sin(x)} + \frac{x^{2}sin(\frac{1}{x})*-cos(x)}{sin^{2}(x)}\\=&\frac{-x^{2}sin(\frac{1}{x})cos(x)}{sin^{2}(x)} - \frac{cos(\frac{1}{x})}{sin(x)} + \frac{2xsin(\frac{1}{x})}{sin(x)}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!