$\"\"$

Observe the graph:

The ellipse is a horizontal ellipse whose center is at origin.

Horizontal ellipse with center at origin is $\"\"$ .

Here $\"\"$ is the length of major axis and $\"\"$ is the length of minor axis.

Length of major axis is $\"\"$ .

$\"\"$

Length of minor axis is $\"\"$ .

$\"\"$

Horizontal ellipse with center at origin is $\"\"$ .

The correct choice is $\"\"$ .

$\"\"$

The correct choice is $\"\"$ .