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。\[ \begin{equation}\begin{split}【1/1】求函数{({x}^{2} + 3)}^{(\frac{2}{3})}{(3x + 2)}^{2}{(x + 1)}^{(\frac{-1}{2})} 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = \frac{9(x^{2} + 3)^{\frac{2}{3}}x^{2}}{(x + 1)^{\frac{1}{2}}} + \frac{12(x^{2} + 3)^{\frac{2}{3}}x}{(x + 1)^{\frac{1}{2}}} + \frac{4(x^{2} + 3)^{\frac{2}{3}}}{(x + 1)^{\frac{1}{2}}}\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( \frac{9(x^{2} + 3)^{\frac{2}{3}}x^{2}}{(x + 1)^{\frac{1}{2}}} + \frac{12(x^{2} + 3)^{\frac{2}{3}}x}{(x + 1)^{\frac{1}{2}}} + \frac{4(x^{2} + 3)^{\frac{2}{3}}}{(x + 1)^{\frac{1}{2}}}\right)}{dx}\\=&\frac{9(\frac{\frac{2}{3}(2x + 0)}{(x^{2} + 3)^{\frac{1}{3}}})x^{2}}{(x + 1)^{\frac{1}{2}}} + 9(x^{2} + 3)^{\frac{2}{3}}(\frac{\frac{-1}{2}(1 + 0)}{(x + 1)^{\frac{3}{2}}})x^{2} + \frac{9(x^{2} + 3)^{\frac{2}{3}}*2x}{(x + 1)^{\frac{1}{2}}} + \frac{12(\frac{\frac{2}{3}(2x + 0)}{(x^{2} + 3)^{\frac{1}{3}}})x}{(x + 1)^{\frac{1}{2}}} + 12(x^{2} + 3)^{\frac{2}{3}}(\frac{\frac{-1}{2}(1 + 0)}{(x + 1)^{\frac{3}{2}}})x + \frac{12(x^{2} + 3)^{\frac{2}{3}}}{(x + 1)^{\frac{1}{2}}} + \frac{4(\frac{\frac{2}{3}(2x + 0)}{(x^{2} + 3)^{\frac{1}{3}}})}{(x + 1)^{\frac{1}{2}}} + 4(x^{2} + 3)^{\frac{2}{3}}(\frac{\frac{-1}{2}(1 + 0)}{(x + 1)^{\frac{3}{2}}})\\=&\frac{12x^{3}}{(x^{2} + 3)^{\frac{1}{3}}(x + 1)^{\frac{1}{2}}} - \frac{9(x^{2} + 3)^{\frac{2}{3}}x^{2}}{2(x + 1)^{\frac{3}{2}}} + \frac{18(x^{2} + 3)^{\frac{2}{3}}x}{(x + 1)^{\frac{1}{2}}} + \frac{16x^{2}}{(x^{2} + 3)^{\frac{1}{3}}(x + 1)^{\frac{1}{2}}} - \frac{6(x^{2} + 3)^{\frac{2}{3}}x}{(x + 1)^{\frac{3}{2}}} + \frac{16x}{3(x^{2} + 3)^{\frac{1}{3}}(x + 1)^{\frac{1}{2}}} + \frac{12(x^{2} + 3)^{\frac{2}{3}}}{(x + 1)^{\frac{1}{2}}} - \frac{2(x^{2} + 3)^{\frac{2}{3}}}{(x + 1)^{\frac{3}{2}}}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!