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NDA 2011
Exam
NDA
Year
2011
Subject
Mathematics
Chapter
Ellipse

NDA 2011 · Mathematics · Ellipse

What is the sum of the focal distances of a point of an ellipse...

What is the sum of the focal distances of a point of an ellipse \frac{x^2}{a^2}+\frac{y^2}{b^2}=1 ?

Options

  1. Aaa
  2. Bbb
  3. C2a2 a
  4. D2b2 b

Correct answer

C. 2a2 a

Step-by-step solution

The correct answer is option (C).
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