Find the equation of the ellipse whose major axis is `8` and minor axis is `4`.

Explanation

To find the equation of the ellipse with a major axis of 8 and a minor axis of 4, we can follow these steps:

### Step 1: Identify the lengths of the axes
The major axis length is given as 8, and the minor axis length is given as 4.

### Step 2: Determine the semi-major and semi-minor axes
The semi-major axis \( a \) is half of the major axis length:
\[
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