For ellipse x²/25 + y²/9 = 1, the eccentricity is:
Question 1
Q1. For ellipse x²/25 + y²/9 = 1, the eccentricity is:
Answer: 0.8
Explanation: e = √(1 - b²/a²) = √(1 - 9/25) = √(16/25) = 0.8.