$$$e^{u}$$$の積分
入力内容
$$$\int e^{u}\, du$$$ を求めよ。
解答
指数関数の積分は $$$\int{e^{u} d u} = e^{u}$$$です:
$${\color{red}{\int{e^{u} d u}}} = {\color{red}{e^{u}}}$$
したがって、
$$\int{e^{u} d u} = e^{u}$$
積分定数を加える:
$$\int{e^{u} d u} = e^{u}+C$$
解答
$$$\int e^{u}\, du = e^{u} + C$$$A
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