![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The foci lie on the major axis, c units from the center, with ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7ffab851fa53088528c1d531524fbae9.png\")
.If the center is at the origin (0, 0), then the ellipse equations are :
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c8dad121d891bb9a1eae6bd3af3348d8.png\")
,
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=59612fb902bfd3ba34b54c16311a2ef6.png\")
.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
The ellipse equation is : ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=384eb89ed7d7ea6bcb059cc03725f8d4.png\")
.
Rewrite the equation as : ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ba28687757b70ac92c85f7f81742c1e.png\")
.
Compare the above equation with ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=59612fb902bfd3ba34b54c16311a2ef6.png\")
.
a = 3 and b = 2.
\Option "(b)" is the correct choice.
\![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
Option "(b)" is the correct choice.
\