engineering mathematics MCQ #552

What is the eccentricity of ellipse x²/25 + y²/9 = 1?

engineering mathematics MCQ #552

  1. Question 1

    Q1. What is the eccentricity of ellipse x²/25 + y²/9 = 1?

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

    Answer: 4/5

    Explanation: e = √(1 - b²/a²) → √(1 - 9/25) = √(16/25) = 4/5.