$$$\frac{1}{x^{70}}$$$ 的积分
您的输入
求$$$\int \frac{1}{x^{70}}\, dx$$$。
解答
应用幂法则 $$$\int x^{n}\, dx = \frac{x^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$,其中 $$$n=-70$$$:
$${\color{red}{\int{\frac{1}{x^{70}} d x}}}={\color{red}{\int{x^{-70} d x}}}={\color{red}{\frac{x^{-70 + 1}}{-70 + 1}}}={\color{red}{\left(- \frac{x^{-69}}{69}\right)}}={\color{red}{\left(- \frac{1}{69 x^{69}}\right)}}$$
因此,
$$\int{\frac{1}{x^{70}} d x} = - \frac{1}{69 x^{69}}$$
加上积分常数:
$$\int{\frac{1}{x^{70}} d x} = - \frac{1}{69 x^{69}}+C$$
答案
$$$\int \frac{1}{x^{70}}\, dx = - \frac{1}{69 x^{69}} + C$$$A
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