engineering mathematics MCQ #1876

The distance between the foci of the ellipse x²/25 + y²/9 = 1 is

engineering mathematics MCQ #1876

  1. Question 1

    Q1. The distance between the foci of the ellipse x²/25 + y²/9 = 1 is

    • A) 8
    • B) 6
    • C) 4
    • D) 2

    Answer: 8

    Explanation: For ellipse x²/a² + y²/b² = 1, the distance between foci is 2√(a² - b²) = 2√(25 - 9) = 2√16 = 8.