SOLUTION: find foci of the ellipse (x^2)/16+(y^2)/36=1

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Question 436283: find foci of the ellipse (x^2)/16+(y^2)/36=1
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
Since b>a, we have c%5E2=b%5E2-a%5E2, substitute a=4 and b=6,
c%5E2=36-16=20 Thus, c=2sqrt%285%29 and c=-2sqrt%285%29
Therefore the foci of our ellipse will be: (0,2sqrt%285%29) and
(0, -2sqrt%285%29).