Calculus Examples

$u (x) = \frac{x^{2}}{9}$

Step 1

Since $\frac{1}{9}$ is constant with respect to $x$ , the derivative of $\frac{x^{2}}{9}$ with respect to $x$ is $\frac{1}{9} \frac{d}{d x} [x^{2}]$ .

$\frac{1}{9} \frac{d}{d x} [x^{2}]$

Step 2

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$\frac{1}{9} (2 x)$

Step 3

Combine fractions.

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Step 3.1

Combine $2$ and $\frac{1}{9}$ .

$\frac{2}{9} x$

Step 3.2

Combine $\frac{2}{9}$ and $x$ .

$\frac{2 x}{9}$