Integrate the functions`1/(sqrt(1+4x^2))`

Explanation

To integrate the function \( \frac{1}{\sqrt{1 + 4x^2}} \), we will follow these steps:

### Step 1: Simplify the Integral
We start with the integral:
\[ \int \frac{1}{\sqrt{1 + 4x^2}} \, dx \]

...