1.

If a hyperbola has one focus at the origin and its eccentricity is sqrt2 .One of the directrices isx+y+1=0 . Then the centre of the hyperbola is

Answer»

`(-1,1) `
`(1,-1)`
` ( -2,-1) `
` ( 2,2) `

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions