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If a x^(2)+2 h x y+b y^(2)+2 g x+2 f y+c...

If `a x^(2)+2 h x y+b y^(2)+2 g x+2 f y+c=0` represents a parallel lines, then

A

a circle

B

a pair of lines

C

an ellipse

D

a hyperbola

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The correct Answer is:
D
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HIMALAYA PUBLICATION-HYPERBOLA-QUESTION BANK
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  2. Number of points from where perpendicular tangents can be drawn to hyp...

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  3. If a x^(2)+2 h x y+b y^(2)+2 g x+2 f y+c=0 represents a parallel lines...

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  4. Equation of the chord of the hyperbola 25 x^(2)-16 y^(2)=400, which is...

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

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  6. The equation (x^(2))/(12-k)+(y^(2))/(8-k)=1 represents

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  7. The equation to the normal to the hyperbola (x^(2))/(16)-(y^(2))/(9)=1...

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  8. The line 3 x+4 y+5=0 is a tangent to the hyperbola x^(2)-4 y^(2)=5 at

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  9. The centre of the hyperbola 2 x^(2)+5 x y+3 y^(2)+3 x+4 y+9=0 is

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  10. The asymptotes of a hyperbola are the coordinate axes. If the hyperbol...

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  11. The distance between the directrices of the hyperbola x^(2)-y^(2)=4 is

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  12. If the circle x^(2)+y^(2)=a^(2) intersects the hyperbola xy=c^(2) in f...

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  13. 2x +sqrt6y=2 touches the hyperbola x^2-2y^2=4 , then the point of cont...

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  14. If a hyperbola passes through a focus of the ellipse (x^(2))/(25)+(y^(...

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  15. If (5,12) and (-9,12) are the foci of the hyperbola passing through th...

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  16. Let P(a sec theta,b tan theta) and Q(a sec varphi, b tan varphi) where...

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  17. If the latus rectum subtends a right angle at the centre of a hyperbo...

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  18. The latus rectum through one focus subtends a right angle at the fart...

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  19. S(1) and S(2) are the foci of an ellipse and B is the end of the minor...

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  20. If the pair of lines b^(2) x^(2)-a^(2) y^(2)=0 are inclined at an angl...

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