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。\[ \begin{equation}\begin{split}【1/1】求函数(0.38{x}^{2} - 1.92 * {10}^{6}x + 3.84 * {10}^{12}){\frac{1}{({10}^{6} + 0.5x)}}^{2} 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = - \frac{1920000x}{(0.5x + 10)(0.5x + 10)} + \frac{0.38x^{2}}{(0.5x + 10)(0.5x + 10)} + \frac{3840000000000}{(0.5x + 10)(0.5x + 10)}\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( - \frac{1920000x}{(0.5x + 10)(0.5x + 10)} + \frac{0.38x^{2}}{(0.5x + 10)(0.5x + 10)} + \frac{3840000000000}{(0.5x + 10)(0.5x + 10)}\right)}{dx}\\=& - \frac{1920000(\frac{-(0.5 + 0)}{(0.5x + 10)^{2}})x}{(0.5x + 10)} - \frac{1920000(\frac{-(0.5 + 0)}{(0.5x + 10)^{2}})x}{(0.5x + 10)} - \frac{1920000}{(0.5x + 10)(0.5x + 10)} + \frac{0.38(\frac{-(0.5 + 0)}{(0.5x + 10)^{2}})x^{2}}{(0.5x + 10)} + \frac{0.38(\frac{-(0.5 + 0)}{(0.5x + 10)^{2}})x^{2}}{(0.5x + 10)} + \frac{0.38*2x}{(0.5x + 10)(0.5x + 10)} + \frac{3840000000000(\frac{-(0.5 + 0)}{(0.5x + 10)^{2}})}{(0.5x + 10)} + \frac{3840000000000(\frac{-(0.5 + 0)}{(0.5x + 10)^{2}})}{(0.5x + 10)}\\=& - \frac{-960000x}{(0.5x + 10)(0.5x + 10)(0.5x + 10)} + \frac{960000x}{(0.5x + 10)(0.5x + 10)(0.5x + 10)} - \frac{0.19x^{2}}{(0.5x + 10)(0.5x + 10)(0.5x + 10)} - \frac{0.19x^{2}}{(0.5x + 10)(0.5x + 10)(0.5x + 10)} + \frac{0.76x}{(0.5x + 10)(0.5x + 10)} - \frac{1920000000000}{(0.5x + 10)(0.5x + 10)(0.5x + 10)} - \frac{1920000000000}{(0.5x + 10)(0.5x + 10)(0.5x + 10)} - \frac{1920000}{(0.5x + 10)(0.5x + 10)}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!