$$$\frac{e^{t}}{t}$$$ 對 $$$x$$$ 的積分
您的輸入
求$$$\int \frac{e^{t}}{t}\, dx$$$。
解答
配合 $$$c=\frac{e^{t}}{t}$$$,應用常數法則 $$$\int c\, dx = c x$$$:
$${\color{red}{\int{\frac{e^{t}}{t} d x}}} = {\color{red}{\frac{x e^{t}}{t}}}$$
因此,
$$\int{\frac{e^{t}}{t} d x} = \frac{x e^{t}}{t}$$
加上積分常數:
$$\int{\frac{e^{t}}{t} d x} = \frac{x e^{t}}{t}+C$$
答案
$$$\int \frac{e^{t}}{t}\, dx = \frac{x e^{t}}{t} + C$$$A
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