Question

The eccentricity of the ellipse 9x2+5y2-30y=0 is equal to

Answer 1

This is the answer of your question

Answer 2

Answer:

9x²+5(y²-6y+9-9)=0

9x²+5(y-3)²=45

x²/5 +(y-3)²/9 =1

a²=5,b²=9

b>a

eccentricity = root of 1-a²/b²

=2/3