Find the Derivative – d/dx 2e^(2x)

$2 e^{2 x}$

Since $2$ is constant with respect to $x$ , the derivative of $2 e^{2 x}$ with respect to $x$ is $2 \frac{d}{d x} [e^{2 x}]$ .

$2 \frac{d}{d x} [e^{2 x}]$

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = e^{x}$ and $g (x) = 2 x$ .

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To apply the Chain Rule, set $u$ as $2 x$ .

$2 (\frac{d}{d u} [e^{u}] \frac{d}{d x} [2 x])$

Differentiate using the Exponential Rule which states that $\frac{d}{d u} [a^{u}]$ is $a^{u} \ln (a)$ where $a$ = $e$ .

$2 (e^{u} \frac{d}{d x} [2 x])$

Replace all occurrences of $u$ with $2 x$ .

$2 (e^{2 x} \frac{d}{d x} [2 x])$

Differentiate.

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Since $2$ is constant with respect to $x$ , the derivative of $2 x$ with respect to $x$ is $2 \frac{d}{d x} [x]$ .

$2 e^{2 x} (2 \frac{d}{d x} [x])$

Multiply $2$ by $2$ .

$4 e^{2 x} \frac{d}{d x} [x]$

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 1$ .

$4 e^{2 x} \cdot 1$

Multiply $4$ by $1$ .

$4 e^{2 x}$

Find the Derivative – d/dx 2e^(2x)

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