engineering mathematics MCQ #451

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

engineering mathematics MCQ #451

  1. Question 1

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

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

    Answer: √7 / 4

    Explanation: Standard form is x²/16 + y²/9 = 1. e = √(1 - b²/a²) = √(1 - 9/16) = √7 / 4.