$$$x^{n}$$$ 對 $$$x$$$ 的導數
您的輸入
求$$$\frac{d}{dx} \left(x^{n}\right)$$$。
解答
套用冪次法則 $$$\frac{d}{dx} \left(x^{m}\right) = m x^{m - 1}$$$,取 $$$m = n$$$:
$${\color{red}\left(\frac{d}{dx} \left(x^{n}\right)\right)} = {\color{red}\left(n x^{n - 1}\right)}$$因此,$$$\frac{d}{dx} \left(x^{n}\right) = n x^{n - 1}$$$。
答案
$$$\frac{d}{dx} \left(x^{n}\right) = n x^{n - 1}$$$A
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