Calculus Examples

$x \arcsin (x)$

Step 1

Differentiate using the Product Rule which states that $\frac{d}{d x} [f (x) g (x)]$ is $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ where $f (x) = x$ and $g (x) = \arcsin (x)$ .

$x \frac{d}{d x} [\arcsin (x)] + \arcsin (x) \frac{d}{d x} [x]$

Step 2

The derivative of $\arcsin (x)$ with respect to $x$ is $\frac{1}{\sqrt{1 - x^{2}}}$ .

$x \frac{1}{\sqrt{1 - x^{2}}} + \arcsin (x) \frac{d}{d x} [x]$

Step 3

Differentiate using the Power Rule.

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Step 3.1

Combine $x$ and $\frac{1}{\sqrt{1 - x^{2}}}$ .

$\frac{x}{\sqrt{1 - x^{2}}} + \arcsin (x) \frac{d}{d x} [x]$

Step 3.2

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

$\frac{x}{\sqrt{1 - x^{2}}} + \arcsin (x) \cdot 1$

Step 3.3

Multiply $\arcsin (x)$ by $1$ .

$\frac{x}{\sqrt{1 - x^{2}}} + \arcsin (x)$