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CONIC SECTIONS — MATHS STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceMATHSCONIC SECTIONS1 Mark
MCQ
The equation of ellipse whose one focus is at (4, 0) and whose eccentricity is $\frac{4}{5}$ is:
  • A
    $\frac{\text{x}^2}{5}+\frac{\text{y}^2}{9}=1$
  • ✓
    $\frac{\text{x}^2}{25}+\frac{\text{y}^2}{9}=1$
  • C
    $\frac{\text{x}^2}{9}+\frac{\text{y}^2}{5}=1$
  • D
    $\frac{\text{x}^2}{9}+\frac{\text{y}^2}{25}=1$
✓

Answer

Correct option: B.
$\frac{\text{x}^2}{25}+\frac{\text{y}^2}{9}=1$
  1. $\frac{\text{x}^2}{25}+\frac{\text{y}^2}{9}=1$

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