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。\[ \begin{equation}\begin{split}【1/1】求函数0.5{x}^{2}{(sin(x))}^{2} + 0.5{x}^{2}cos(2)x - 0.5xsin(2)x - 0.25cos(2)x 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = 0.5x^{2}sin(x)sin(x) + 0.5x^{3}cos(2) - 0.5x^{2}sin(2) - 0.25xcos(2)\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( 0.5x^{2}sin(x)sin(x) + 0.5x^{3}cos(2) - 0.5x^{2}sin(2) - 0.25xcos(2)\right)}{dx}\\=&0.5*2xsin(x)sin(x) + 0.5x^{2}cos(x)sin(x) + 0.5x^{2}sin(x)cos(x) + 0.5*3x^{2}cos(2) + 0.5x^{3}*-sin(2)*0 - 0.5*2xsin(2) - 0.5x^{2}cos(2)*0 - 0.25cos(2) - 0.25x*-sin(2)*0\\=&xsin(x)sin(x) + 0.5x^{2}sin(x)cos(x) + 0.5x^{2}sin(x)cos(x) + 1.5x^{2}cos(2) - xsin(2) - 0.25cos(2)\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!