Question

The eccentricity of the ellipse 5x2+9y2=1 is

Answer 1

Solution :-

=> 5x² + 9y² = 1

=> x²/(1/5) + y²/(1/9) = 1

=> e² = (1/5-1/9) / (1/5)

=> e² = 4/45 × 5

=> e² = 4/9

=> e = 2/3

Therefore , correct answer is 2/3 .

Answer 2

Hope it helps you !!!!!!!!........