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。\[ \begin{equation}\begin{split}【1/1】求函数\frac{(1.1x - 0.1{x}^{2})}{(-0.2{x}^{2} + 0.2x + 0.01)} 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = \frac{1.1x}{(-0.2x^{2} + 0.2x + 0.01)} - \frac{0.1x^{2}}{(-0.2x^{2} + 0.2x + 0.01)}\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( \frac{1.1x}{(-0.2x^{2} + 0.2x + 0.01)} - \frac{0.1x^{2}}{(-0.2x^{2} + 0.2x + 0.01)}\right)}{dx}\\=&1.1(\frac{-(-0.2*2x + 0.2 + 0)}{(-0.2x^{2} + 0.2x + 0.01)^{2}})x + \frac{1.1}{(-0.2x^{2} + 0.2x + 0.01)} - 0.1(\frac{-(-0.2*2x + 0.2 + 0)}{(-0.2x^{2} + 0.2x + 0.01)^{2}})x^{2} - \frac{0.1*2x}{(-0.2x^{2} + 0.2x + 0.01)}\\=&\frac{0.44x^{2}}{(-0.2x^{2} + 0.2x + 0.01)(-0.2x^{2} + 0.2x + 0.01)} - \frac{0.22x}{(-0.2x^{2} + 0.2x + 0.01)(-0.2x^{2} + 0.2x + 0.01)} - \frac{0.04x^{3}}{(-0.2x^{2} + 0.2x + 0.01)(-0.2x^{2} + 0.2x + 0.01)} + \frac{0.02x^{2}}{(-0.2x^{2} + 0.2x + 0.01)(-0.2x^{2} + 0.2x + 0.01)} - \frac{0.2x}{(-0.2x^{2} + 0.2x + 0.01)} + \frac{1.1}{(-0.2x^{2} + 0.2x + 0.01)}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!