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