Precalculus Examples

$\sqrt{4 x - 1} + \frac{1}{x}$

Step 1

To write $\sqrt{4 x - 1}$ as a fraction with a common denominator, multiply by $\frac{x}{x}$ .

$\frac{\sqrt{4 x - 1} x}{x} + \frac{1}{x}$

Step 2

Combine the numerators over the common denominator.

$\frac{\sqrt{4 x - 1} x + 1}{x}$