$$$6 y^{2}$$$ 的積分
您的輸入
求$$$\int 6 y^{2}\, dy$$$。
解答
套用常數倍法則 $$$\int c f{\left(y \right)}\, dy = c \int f{\left(y \right)}\, dy$$$,使用 $$$c=6$$$ 與 $$$f{\left(y \right)} = y^{2}$$$:
$${\color{red}{\int{6 y^{2} d y}}} = {\color{red}{\left(6 \int{y^{2} d y}\right)}}$$
套用冪次法則 $$$\int y^{n}\, dy = \frac{y^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$,以 $$$n=2$$$:
$$6 {\color{red}{\int{y^{2} d y}}}=6 {\color{red}{\frac{y^{1 + 2}}{1 + 2}}}=6 {\color{red}{\left(\frac{y^{3}}{3}\right)}}$$
因此,
$$\int{6 y^{2} d y} = 2 y^{3}$$
加上積分常數:
$$\int{6 y^{2} d y} = 2 y^{3}+C$$
答案
$$$\int 6 y^{2}\, dy = 2 y^{3} + C$$$A
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