$$$\frac{1}{x^{\frac{7}{10}}}$$$ 的积分
您的输入
求$$$\int \frac{1}{x^{\frac{7}{10}}}\, dx$$$。
解答
应用幂法则 $$$\int x^{n}\, dx = \frac{x^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$,其中 $$$n=- \frac{7}{10}$$$:
$${\color{red}{\int{\frac{1}{x^{\frac{7}{10}}} d x}}}={\color{red}{\int{x^{- \frac{7}{10}} d x}}}={\color{red}{\frac{x^{- \frac{7}{10} + 1}}{- \frac{7}{10} + 1}}}={\color{red}{\left(\frac{10 x^{\frac{3}{10}}}{3}\right)}}$$
因此,
$$\int{\frac{1}{x^{\frac{7}{10}}} d x} = \frac{10 x^{\frac{3}{10}}}{3}$$
加上积分常数:
$$\int{\frac{1}{x^{\frac{7}{10}}} d x} = \frac{10 x^{\frac{3}{10}}}{3}+C$$
答案
$$$\int \frac{1}{x^{\frac{7}{10}}}\, dx = \frac{10 x^{\frac{3}{10}}}{3} + C$$$A
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