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The equation oi the conic with focus at (1,-1) directrix along `x-y+1=0` and eccentricity `sqrt(2)` is `x y=1` b. `2x y+4x-4y-1=0` c. `x^2-y^2=1` d. `2x y-4x+4y=1=0`

A

`x^(2)-y^(2)=1`

B

`xy=1`

C

`2xy-4a+4y+1=0`

D

`2xy+4x-4y-1=0`

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OBJECTIVE RD SHARMA ENGLISH-HYPERBOLA-Exercise
  1. If ellipse (x^(2))/(16)+(y^(2))/(b^(2))=1 and hyperbola (x^(2))/(144)-...

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  2. The curve represented by x=acos h theta, y=bsin h theta, is

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  3. The equation oi the conic with focus at (1,-1) directrix along x-y+1=0...

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  4. If the eccentricity of a hyperbola is sqrt(3), the eccentricity of its...

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  5. Area of the triangle formed by the lines x-y=0,x+y= 0 and any tangant ...

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  6. The angle between the asymptotes of (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 ...

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  7. If a normal of slope m to the parabola y^2 = 4 a x touches the hyperbo...

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  8. Equation of common tangent to the parabola y^(2)=8x and hyperbola x^(2...

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  9. The circle drawn on the line segment joining the foci of the hyperbola...

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  10. The angle between the asymptotes of the hyperbola 2x^(2)-2y^(2)=9, is

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  11. The difference of the focal distances of anypoint on the hyperbola is ...

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  12. about to only mathematics

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  13. The points of the intersection of the curves whose parametric equation...

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  14. The equation of the hyperbola whose foci are (6.5), (-4,5) and eccentr...

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  15. Find the point on the hyperbola x^2-9y^2=9 where the line 5x+12 y=9 to...

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  16. The length of the latusrectum of the hyperbola (x^(2))/(a^(2))-(y^(2))...

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  17. P is a point on the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(2))=1, and N...

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  18. If the tangent at the point (2sec theta,3tan theta) to the hyperbola (...

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  19. The eccentricity of the hyperbola (sqrt(1999))/(3)(x^(2)-y^(2))=1, is

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  20. Tangents are drawn to the hyperbola x^(2)-y^(2)=3 which are parallel ...

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