$$$\sqrt{x} \ln\left(2\right)$$$的导数
您的输入
求$$$\frac{d}{dx} \left(\sqrt{x} \ln\left(2\right)\right)$$$。
解答
对 $$$c = \ln\left(2\right)$$$ 和 $$$f{\left(x \right)} = \sqrt{x}$$$ 应用常数倍法则 $$$\frac{d}{dx} \left(c f{\left(x \right)}\right) = c \frac{d}{dx} \left(f{\left(x \right)}\right)$$$:
$${\color{red}\left(\frac{d}{dx} \left(\sqrt{x} \ln\left(2\right)\right)\right)} = {\color{red}\left(\ln\left(2\right) \frac{d}{dx} \left(\sqrt{x}\right)\right)}$$应用幂次法则 $$$\frac{d}{dx} \left(x^{n}\right) = n x^{n - 1}$$$,其中 $$$n = \frac{1}{2}$$$:
$$\ln\left(2\right) {\color{red}\left(\frac{d}{dx} \left(\sqrt{x}\right)\right)} = \ln\left(2\right) {\color{red}\left(\frac{1}{2 \sqrt{x}}\right)}$$因此,$$$\frac{d}{dx} \left(\sqrt{x} \ln\left(2\right)\right) = \frac{\ln\left(2\right)}{2 \sqrt{x}}$$$。
答案
$$$\frac{d}{dx} \left(\sqrt{x} \ln\left(2\right)\right) = \frac{\ln\left(2\right)}{2 \sqrt{x}}$$$A