$$$\frac{x}{100}$$$ 的积分
您的输入
求$$$\int \frac{x}{100}\, dx$$$。
解答
对 $$$c=\frac{1}{100}$$$ 和 $$$f{\left(x \right)} = x$$$ 应用常数倍法则 $$$\int c f{\left(x \right)}\, dx = c \int f{\left(x \right)}\, dx$$$:
$${\color{red}{\int{\frac{x}{100} d x}}} = {\color{red}{\left(\frac{\int{x d x}}{100}\right)}}$$
应用幂法则 $$$\int x^{n}\, dx = \frac{x^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$,其中 $$$n=1$$$:
$$\frac{{\color{red}{\int{x d x}}}}{100}=\frac{{\color{red}{\frac{x^{1 + 1}}{1 + 1}}}}{100}=\frac{{\color{red}{\left(\frac{x^{2}}{2}\right)}}}{100}$$
因此,
$$\int{\frac{x}{100} d x} = \frac{x^{2}}{200}$$
加上积分常数:
$$\int{\frac{x}{100} d x} = \frac{x^{2}}{200}+C$$
答案
$$$\int \frac{x}{100}\, dx = \frac{x^{2}}{200} + C$$$A
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