Derivative of $$$2 y$$$

The calculator will find the derivative of $$$2 y$$$, with steps shown.

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Solution

Apply the constant multiple rule $$$\frac{d}{dy} \left(c f{\left(y \right)}\right) = c \frac{d}{dy} \left(f{\left(y \right)}\right)$$$ with $$$c = 2$$$ and $$$f{\left(y \right)} = y$$$:

$${\color{red}\left(\frac{d}{dy} \left(2 y\right)\right)} = {\color{red}\left(2 \frac{d}{dy} \left(y\right)\right)}$$

Apply the power rule $$$\frac{d}{dy} \left(y^{n}\right) = n y^{n - 1}$$$ with $$$n = 1$$$, in other words, $$$\frac{d}{dy} \left(y\right) = 1$$$:

$$2 {\color{red}\left(\frac{d}{dy} \left(y\right)\right)} = 2 {\color{red}\left(1\right)}$$

Thus, $$$\frac{d}{dy} \left(2 y\right) = 2$$$.

Answer

$$$\frac{d}{dy} \left(2 y\right) = 2$$$A