engineering mathematics MCQ #383

The eccentricity of the ellipse 9x² + 16y² = 144 is

engineering mathematics MCQ #383

  1. Question 1

    Q1. The eccentricity of the ellipse 9x² + 16y² = 144 is

    • A) √7 / 4
    • B) √5 / 4
    • C) √7 / 3
    • D) √5 / 3

    Answer: √7 / 4

    Explanation: The given ellipse is x²/16 + y²/9 = 1, here a² = 16, b² = 9, e = √(1 - b²/a²) = √(1 - 9/16).