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What are the coordinates of the mid points of the ellipse x^2 + 4y^2 -6x +40 y = 0

Option: 1

(-3,5)


Option: 2

(3,-5)


Option: 3

(3,-20)


Option: 4

(-3,20)


Answers (1)

best_answer

As we have learned

Centre of Ellipse -

The mid-point of the two foci of ellipse.

- wherein

 

 x^2 - 6x +4 (y^2 + 10 y ) = 0

x^2 - 6x +9+4 (y^2 + 10 y+25 ) = 100 + 9

(x-3)^2 + 4(y+5)^2 = 109

Centre is (3,-5 )

 

 

 

 

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vinayak

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