$$$41 x^{2}$$$ 的积分
您的输入
求$$$\int 41 x^{2}\, dx$$$。
解答
对 $$$c=41$$$ 和 $$$f{\left(x \right)} = x^{2}$$$ 应用常数倍法则 $$$\int c f{\left(x \right)}\, dx = c \int f{\left(x \right)}\, dx$$$:
$${\color{red}{\int{41 x^{2} d x}}} = {\color{red}{\left(41 \int{x^{2} d x}\right)}}$$
应用幂法则 $$$\int x^{n}\, dx = \frac{x^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$,其中 $$$n=2$$$:
$$41 {\color{red}{\int{x^{2} d x}}}=41 {\color{red}{\frac{x^{1 + 2}}{1 + 2}}}=41 {\color{red}{\left(\frac{x^{3}}{3}\right)}}$$
因此,
$$\int{41 x^{2} d x} = \frac{41 x^{3}}{3}$$
加上积分常数:
$$\int{41 x^{2} d x} = \frac{41 x^{3}}{3}+C$$
答案
$$$\int 41 x^{2}\, dx = \frac{41 x^{3}}{3} + C$$$A
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