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22 votes
4. Write an equation of the ellipse with foci at (±1, 0) and co-vertices at (0, ±2)

User Vj Sreenivasan
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1 Answer

15 votes
15 votes

Answer:

Explanation:

The foci:

F=(1,0)

F'=(-1,0)

The co-vertices:

V=(0,2

V'=(-2,0)


(x^2)/(a^2) +(y^2)/(b^2) =1\\\\with\ \\b=2\\and \\2*a=2*|FV|=2*√(5) \, a=√(5)\\\\(x^2)/(5) +(y^2)/(4) =1\\

User Deerchao
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