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The equation (x^2)/(12-lambda)+(y^2)/(B-...

The equation `(x^2)/(12-lambda)+(y^2)/(B-lambda)=1` represents

A

a hyperbola if `k lt 8`

B

an ellipse if `k gt 8`

C

a hyperbola if `8 lt k lt 12`

D

none of these

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OBJECTIVE RD SHARMA ENGLISH-HYPERBOLA-Exercise
  1. Find the value of m, for which the line y=mx + 25sqrt3/3 is a normal t...

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  2. The value of m for which the line y=mx+2 becomes a tangent to the hype...

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  3. The equation (x^2)/(12-lambda)+(y^2)/(B-lambda)=1 represents

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  4. If the curves (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 (agtb) and x^(2)-y(2)=...

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  5. about to only mathematics

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  6. The equation of the tangent parallel to y=x drawn to (x^(2))/(3)-(y^(2...

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  7. The diameter of 16x^(2)-9y^(2)=144 which is conjugate to x=2y is

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  8. The tangents from a point (2sqrt(2),1) to the hyperbola 16x^(2)-25y^(2...

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  9. If the line y=3x+lambda touches the hyperbola 9x^2-5y^2=45, then the v...

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  10. Find the equations to the common tangents to the two hyperbolas (x^2)/...

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  11. A point moves in a plane so that its distance PA and PB from who fixed...

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  12. If ellipse (x^(2))/(16)+(y^(2))/(b^(2))=1 and hyperbola (x^(2))/(144)-...

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

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

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

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

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

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

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

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

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