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。\[ \begin{equation}\begin{split}【1/1】求函数\frac{(5sin(x) + 5xcos(x))}{(1 + 5xsin(x))} 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = \frac{5sin(x)}{(5xsin(x) + 1)} + \frac{5xcos(x)}{(5xsin(x) + 1)}\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( \frac{5sin(x)}{(5xsin(x) + 1)} + \frac{5xcos(x)}{(5xsin(x) + 1)}\right)}{dx}\\=&5(\frac{-(5sin(x) + 5xcos(x) + 0)}{(5xsin(x) + 1)^{2}})sin(x) + \frac{5cos(x)}{(5xsin(x) + 1)} + 5(\frac{-(5sin(x) + 5xcos(x) + 0)}{(5xsin(x) + 1)^{2}})xcos(x) + \frac{5cos(x)}{(5xsin(x) + 1)} + \frac{5x*-sin(x)}{(5xsin(x) + 1)}\\=&\frac{-25sin^{2}(x)}{(5xsin(x) + 1)^{2}} - \frac{50xsin(x)cos(x)}{(5xsin(x) + 1)^{2}} + \frac{10cos(x)}{(5xsin(x) + 1)} - \frac{25x^{2}cos^{2}(x)}{(5xsin(x) + 1)^{2}} - \frac{5xsin(x)}{(5xsin(x) + 1)}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!