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Grade: 10

                        

the eccentricity of ellipse (x-3)^2 + (y-4)^2= y^2/9 is a) (3)^1/2/2 b) 1/3 C) 1/3(2)^1/2 d) 1/(3)^1/2

8 years ago

Answers : (1)

Sharandeep singh
15 Points
							

taking under root 

{ (x-3)^2 + (y-4)^2 }^1/2 = (1/3)y

 

which is of the form 

{ (x-a)^2 + (y-b)^2 }^1/2 = e( ax + by +c)/ ( a^2 +b^2 ) ^1/2

on comparing e=1/3

7 years ago
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