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。\[ \begin{equation}\begin{split}【1/1】求函数\frac{{(0.15 - 0.05x)}^{2}}{((0.0625 - 0.06*0){x}^{2} + (0.06*0 - 0.08)x + 0.04)} 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = \frac{0.0025x^{2}}{(0.0625x - 0.08x + 0.04)} - \frac{0.0075x}{(0.0625x - 0.08x + 0.04)} - \frac{0.0075x}{(0.0625x - 0.08x + 0.04)} + \frac{0.0225}{(0.0625x - 0.08x + 0.04)}\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( \frac{0.0025x^{2}}{(0.0625x - 0.08x + 0.04)} - \frac{0.0075x}{(0.0625x - 0.08x + 0.04)} - \frac{0.0075x}{(0.0625x - 0.08x + 0.04)} + \frac{0.0225}{(0.0625x - 0.08x + 0.04)}\right)}{dx}\\=&0.0025(\frac{-(0.0625 - 0.08 + 0)}{(0.0625x - 0.08x + 0.04)^{2}})x^{2} + \frac{0.0025*2x}{(0.0625x - 0.08x + 0.04)} - 0.0075(\frac{-(0.0625 - 0.08 + 0)}{(0.0625x - 0.08x + 0.04)^{2}})x - \frac{0.0075}{(0.0625x - 0.08x + 0.04)} - 0.0075(\frac{-(0.0625 - 0.08 + 0)}{(0.0625x - 0.08x + 0.04)^{2}})x - \frac{0.0075}{(0.0625x - 0.08x + 0.04)} + 0.0225(\frac{-(0.0625 - 0.08 + 0)}{(0.0625x - 0.08x + 0.04)^{2}})\\=&\frac{0.00004375x^{2}}{(0.0625x - 0.08x + 0.04)(0.0625x - 0.08x + 0.04)} + \frac{0.005x}{(0.0625x - 0.08x + 0.04)} - \frac{0.00013125x}{(0.0625x - 0.08x + 0.04)(0.0625x - 0.08x + 0.04)} - \frac{0.00013125x}{(0.0625x - 0.08x + 0.04)(0.0625x - 0.08x + 0.04)} + \frac{0.00039375}{(0.0625x - 0.08x + 0.04)(0.0625x - 0.08x + 0.04)} - \frac{0.0075}{(0.0625x - 0.08x + 0.04)} - \frac{0.0075}{(0.0625x - 0.08x + 0.04)}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!