Nthenicoftime Nthenicoftime

05-07-2016
Mathematics

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Locate the foci of the ellipse. Show your work.

x^2/36+y^2/11=1

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nobillionaireNobley nobillionaireNobley

09-07-2016

[tex]a^2 - c^2 = b^2; where \ a = 6, b = \sqrt11 \\ 36 - c^2 = 11 \\ c^2 = 36-11=25 \\ c= \pm 5[/tex]
Therefore, foci = (-5, 0) and (5, 0)

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