**Tell us what’s happening:**

Describe your issue in detail here.

abTest(0, 0) doesn’t work . What am i doing wrong?

**Your code so far**

```
// Setup
function abTest(a, b) {
// Only change code below this line
if (a <= 0 || b <= 0 ) {
return undefined;
}
// Only change code above this line
return Math.round(Math.pow(Math.sqrt(a) + Math.sqrt(b), 2));
}
abTest(2,2);
```

**Your browser information:**

User Agent is: `Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.72`

**Challenge:** Basic JavaScript - Return Early Pattern for Functions

**Link to the challenge:**