$$$1679616 x^{41}$$$の積分
入力内容
$$$\int 1679616 x^{41}\, dx$$$ を求めよ。
解答
定数倍の法則 $$$\int c f{\left(x \right)}\, dx = c \int f{\left(x \right)}\, dx$$$ を、$$$c=1679616$$$ と $$$f{\left(x \right)} = x^{41}$$$ に対して適用する:
$${\color{red}{\int{1679616 x^{41} d x}}} = {\color{red}{\left(1679616 \int{x^{41} d x}\right)}}$$
$$$n=41$$$ を用いて、べき乗の法則 $$$\int x^{n}\, dx = \frac{x^{n + 1}}{n + 1}$$$ $$$\left(n \neq -1 \right)$$$ を適用します:
$$1679616 {\color{red}{\int{x^{41} d x}}}=1679616 {\color{red}{\frac{x^{1 + 41}}{1 + 41}}}=1679616 {\color{red}{\left(\frac{x^{42}}{42}\right)}}$$
したがって、
$$\int{1679616 x^{41} d x} = \frac{279936 x^{42}}{7}$$
積分定数を加える:
$$\int{1679616 x^{41} d x} = \frac{279936 x^{42}}{7}+C$$
解答
$$$\int 1679616 x^{41}\, dx = \frac{279936 x^{42}}{7} + C$$$A
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