Step 1:
The equation is
Solve the equation
The vertical ellipse equation is
Step 2:
Graph:
Observe the graph,
The graph represents center and foci points.
Solution:
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![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f8f1b5ff26e9b05e365a2105458f7b5c.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=473781cd3545c41758b447ce1eec3bd2.png\")
![\"\"](\"/userfiles/34972.gif\")