Evaluate: `int(x^2)/(sqrt(x+2))\ dx`

Explanation

To evaluate the integral \(\int \frac{x^2}{\sqrt{x+2}} \, dx\), we can use substitution. Here’s the step-by-step solution:

### Step 1: Substitution
Let \( t = x + 2 \). Then, we have:
\[ x = t - 2 \quad \text{and} \quad dx = dt \]

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