yungptc
yungptc yungptc
  • 17-10-2019
  • Mathematics
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Find the foci of the ellipse whose equation is x^2/16+y^2/36=1

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sqdancefan
sqdancefan sqdancefan
  • 17-10-2019

Answer:

  (0, ±2√5)

Step-by-step explanation:

The foci are the points on the major axis that are the length of the semimajor axis away from the co-vertices.

Here, that means their y-coordinate is ±√(36-16) = ±√20 = ±2√5.

The x-coordinate is that of the major axis, x=0.

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