$$$\frac{3 x}{50}$$$的导数
您的输入
求$$$\frac{d}{dx} \left(\frac{3 x}{50}\right)$$$。
解答
对 $$$c = \frac{3}{50}$$$ 和 $$$f{\left(x \right)} = x$$$ 应用常数倍法则 $$$\frac{d}{dx} \left(c f{\left(x \right)}\right) = c \frac{d}{dx} \left(f{\left(x \right)}\right)$$$:
$${\color{red}\left(\frac{d}{dx} \left(\frac{3 x}{50}\right)\right)} = {\color{red}\left(\frac{3 \frac{d}{dx} \left(x\right)}{50}\right)}$$应用幂法则 $$$\frac{d}{dx} \left(x^{n}\right) = n x^{n - 1}$$$,取 $$$n = 1$$$,也就是说,$$$\frac{d}{dx} \left(x\right) = 1$$$:
$$\frac{3 {\color{red}\left(\frac{d}{dx} \left(x\right)\right)}}{50} = \frac{3 {\color{red}\left(1\right)}}{50}$$因此,$$$\frac{d}{dx} \left(\frac{3 x}{50}\right) = \frac{3}{50}$$$。
答案
$$$\frac{d}{dx} \left(\frac{3 x}{50}\right) = \frac{3}{50}$$$A
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