The eccentricity of the ellipse 4x² + 9y² = 36 is
Question 1
Q1. The eccentricity of the ellipse 4x² + 9y² = 36 is
Answer: √5 / 3
Explanation: First, convert the equation to standard form: x² / 9 + y² / 4 = 1. Then, e = √(1 - b² / a²) = √(1 - 4 / 9).