$\"\"$

Points on the ellipse are $\"\"$ and $\"\"$ .

Major axis is vertical, hence ellipse is vertical.

Equation of vertical ellipse: $\"\"$ .

The center of the ellipse is $\"\"$ .

$\"\"$

Point $\"\"$ passes through the ellipse.

$\"\"$

Point $\"\"$ passes through the ellipse.

$\"\"$

Equation of ellipse is $\"\"$ .

$\"\"$

Equation of ellipse is $\"\"$ .