Integrate the functions`x/(sqrt(x+4)), x >0`

Explanation

To integrate the function \( \frac{x}{\sqrt{x+4}} \) where \( x > 0 \), we can use substitution. Here’s a step-by-step solution:

### Step 1: Choose a substitution
Let’s set:
\[ t = \sqrt{x + 4} \]
This implies:
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