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NDA2016MathematicsHyperbolaActual

What is the eccentricity of rectangular hyperbola?

Options

  1. A2
  2. B3
  3. C5
  4. D6

Correct answer

A. 2

Step-by-step solution

Here, b^2=a^2 (e^2-1 ) For rectangular hyperbola : a=b aligned & b^2=b^2 (e^2-1 ) & e^2-1=1 & e^2=2 e= 2 aligned For hyperbola, e 1 . Hence, e = 2

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