$$$\frac{\pi x}{30}$$$的导数
您的输入
求$$$\frac{d}{dx} \left(\frac{\pi x}{30}\right)$$$。
解答
对 $$$c = \frac{\pi}{30}$$$ 和 $$$f{\left(x \right)} = x$$$ 应用常数倍法则 $$$\frac{d}{dx} \left(c f{\left(x \right)}\right) = c \frac{d}{dx} \left(f{\left(x \right)}\right)$$$：
$${\color{red}\left(\frac{d}{dx} \left(\frac{\pi x}{30}\right)\right)} = {\color{red}\left(\frac{\pi}{30} \frac{d}{dx} \left(x\right)\right)}$$应用幂法则 $$$\frac{d}{dx} \left(x^{n}\right) = n x^{n - 1}$$$，取 $$$n = 1$$$，也就是说，$$$\frac{d}{dx} \left(x\right) = 1$$$：
$$\frac{\pi {\color{red}\left(\frac{d}{dx} \left(x\right)\right)}}{30} = \frac{\pi {\color{red}\left(1\right)}}{30}$$因此，$$$\frac{d}{dx} \left(\frac{\pi x}{30}\right) = \frac{\pi}{30}$$$。
答案
$$$\frac{d}{dx} \left(\frac{\pi x}{30}\right) = \frac{\pi}{30}$$$A
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