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。\[ \begin{equation}\begin{split}【1/1】求函数\frac{(3{x}^{2} + 2)}{({x}^{2}({x}^{2} + 1))} 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = \frac{3x^{2}}{(x^{4} + x^{2})} + \frac{2}{(x^{4} + x^{2})}\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( \frac{3x^{2}}{(x^{4} + x^{2})} + \frac{2}{(x^{4} + x^{2})}\right)}{dx}\\=&3(\frac{-(4x^{3} + 2x)}{(x^{4} + x^{2})^{2}})x^{2} + \frac{3*2x}{(x^{4} + x^{2})} + 2(\frac{-(4x^{3} + 2x)}{(x^{4} + x^{2})^{2}})\\=&\frac{-12x^{5}}{(x^{4} + x^{2})^{2}} - \frac{14x^{3}}{(x^{4} + x^{2})^{2}} + \frac{6x}{(x^{4} + x^{2})} - \frac{4x}{(x^{4} + x^{2})^{2}}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!