Locus #0 (Advanced)

Creator

Dan Anderson (@dandersod)

Difficulty

Advanced

On to the Challenge!

Desmos has recently released some new graphing abilities. Here is an example of how you can graph an ellipse by setting up two points (the foci) and writing a locus equation for an ellipse (the set of all points whose sum of distances to the two foci are constant).

With that setup, can you make the following graph?