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。\[ \begin{equation}\begin{split}【1/1】求函数sin(x)(\frac{1}{({x}^{3})} - cos(x + 1)(\frac{1}{(2{x}^{2})})) 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = - \frac{\frac{1}{2}sin(x)cos(x + 1)}{x^{2}} + \frac{sin(x)}{x^{3}}\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( - \frac{\frac{1}{2}sin(x)cos(x + 1)}{x^{2}} + \frac{sin(x)}{x^{3}}\right)}{dx}\\=& - \frac{\frac{1}{2}*-2sin(x)cos(x + 1)}{x^{3}} - \frac{\frac{1}{2}cos(x)cos(x + 1)}{x^{2}} - \frac{\frac{1}{2}sin(x)*-sin(x + 1)(1 + 0)}{x^{2}} + \frac{-3sin(x)}{x^{4}} + \frac{cos(x)}{x^{3}}\\=&\frac{sin(x)cos(x + 1)}{x^{3}} - \frac{cos(x)cos(x + 1)}{2x^{2}} + \frac{sin(x + 1)sin(x)}{2x^{2}} - \frac{3sin(x)}{x^{4}} + \frac{cos(x)}{x^{3}}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!