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