engineering mathematics MCQ #460

For ellipse x²/25 + y²/16 = 1, foci are located at:

engineering mathematics MCQ #460

  1. Question 1

    Q1. For ellipse x²/25 + y²/16 = 1, foci are located at:

    • A) (±3, 0)
    • B) (±4, 0)
    • C) (0, ±3)
    • D) (0, ±4)

    Answer: (±3, 0)

    Explanation: c² = a² - b² = 25 - 16 = 9 ⇒ c = 3. Foci on x-axis at (±3, 0).