$$$204 x^{7}$$$ 的積分
您的輸入
求$$$\int 204 x^{7}\, dx$$$。
解答
套用常數倍法則 $$$\int c f{\left(x \right)}\, dx = c \int f{\left(x \right)}\, dx$$$,使用 $$$c=204$$$ 與 $$$f{\left(x \right)} = x^{7}$$$:
$${\color{red}{\int{204 x^{7} d x}}} = {\color{red}{\left(204 \int{x^{7} d x}\right)}}$$
套用冪次法則 $$$\int x^{n}\, dx = \frac{x^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$,以 $$$n=7$$$:
$$204 {\color{red}{\int{x^{7} d x}}}=204 {\color{red}{\frac{x^{1 + 7}}{1 + 7}}}=204 {\color{red}{\left(\frac{x^{8}}{8}\right)}}$$
因此,
$$\int{204 x^{7} d x} = \frac{51 x^{8}}{2}$$
加上積分常數:
$$\int{204 x^{7} d x} = \frac{51 x^{8}}{2}+C$$
答案
$$$\int 204 x^{7}\, dx = \frac{51 x^{8}}{2} + C$$$A
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