$$$x^{3}$$$ 的導數
您的輸入
求$$$\frac{d}{dx} \left(x^{3}\right)$$$。
解答
套用冪次法則 $$$\frac{d}{dx} \left(x^{n}\right) = n x^{n - 1}$$$,取 $$$n = 3$$$:
$${\color{red}\left(\frac{d}{dx} \left(x^{3}\right)\right)} = {\color{red}\left(3 x^{2}\right)}$$因此,$$$\frac{d}{dx} \left(x^{3}\right) = 3 x^{2}$$$。
答案
$$$\frac{d}{dx} \left(x^{3}\right) = 3 x^{2}$$$A
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