$$$\frac{\cosh{\left(v \right)}}{5}$$$ 的導數
您的輸入
求$$$\frac{d}{dv} \left(\frac{\cosh{\left(v \right)}}{5}\right)$$$。
解答
套用常數倍法則 $$$\frac{d}{dv} \left(c f{\left(v \right)}\right) = c \frac{d}{dv} \left(f{\left(v \right)}\right)$$$,使用 $$$c = \frac{1}{5}$$$ 與 $$$f{\left(v \right)} = \cosh{\left(v \right)}$$$:
$${\color{red}\left(\frac{d}{dv} \left(\frac{\cosh{\left(v \right)}}{5}\right)\right)} = {\color{red}\left(\frac{\frac{d}{dv} \left(\cosh{\left(v \right)}\right)}{5}\right)}$$雙曲餘弦函數的導數為$$$\frac{d}{dv} \left(\cosh{\left(v \right)}\right) = \sinh{\left(v \right)}$$$:
$$\frac{{\color{red}\left(\frac{d}{dv} \left(\cosh{\left(v \right)}\right)\right)}}{5} = \frac{{\color{red}\left(\sinh{\left(v \right)}\right)}}{5}$$因此,$$$\frac{d}{dv} \left(\frac{\cosh{\left(v \right)}}{5}\right) = \frac{\sinh{\left(v \right)}}{5}$$$。
答案
$$$\frac{d}{dv} \left(\frac{\cosh{\left(v \right)}}{5}\right) = \frac{\sinh{\left(v \right)}}{5}$$$A