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