What is the eccentricity of the ellipse x²/25 + y²/9 = 1?
Question 1
Q1. What is the eccentricity of the ellipse x²/25 + y²/9 = 1?
Answer: 0.6
Explanation: e = √(1 - b²/a²) = √(1 - 9/25) = 4/5 = 0.8.