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AP EAMCET202422 May 2024Evening ShiftMathematicsEllipseActual

The length of the latus rectum of 16 x^2+25 y^2=400 is

Options

  1. A25 2
  2. B25 4
  3. C16 2
  4. D32 5

Correct answer

D. 32 5

Step-by-step solution

aligned & 16 x^2+25 y^2=400 x^2 25 + y^2 16 =1 a^2= & 25, b^2=16 aligned Length of lectus rectum = 2 b^2 a = 32 5

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