engineering mathematics MCQ #372

Ellipse with foci at (±3,0) and major axis 10 has equation:

engineering mathematics MCQ #372

  1. Question 1

    Q1. Ellipse with foci at (±3,0) and major axis 10 has equation:

    • A) x²/25 + y²/16 = 1
    • B) x²/16 + y²/25 = 1
    • C) x²/10 + y²/5 = 1
    • D) x²/5 + y²/10 = 1

    Answer: x²/25 + y²/16 = 1

    Explanation: a=5, c=3 → b² = a² - c² = 25 - 9 = 16.