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The equations of the directrices of the ...

The equations of the directrices of the ellipse `3 x^(2)+4 y^(2)+6 x-8 y-5=0` are

A

`x=1, x+1=0`

B

x+1=0`, `y=1`

C

`x=3`,` x+5=0`

D

`x+3=0`, `x=5`

Text Solution

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The correct Answer is:
C
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HIMALAYA PUBLICATION-ELLIPSE-QUESTION BANK
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  2. The eccentricity of the ellipse 4 x^(2)+9 y^(2)-24 x+36 y+36=0 is

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  3. The equations of the directrices of the ellipse 3 x^(2)+4 y^(2)+6 x-8 ...

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  4. Centre of the ellipse 3 x^(2)+4 y^(2)+6 x+16 y-29=0 is at

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  5. (2,4) and (10,10) are the ends of a latus rectum of an ellipse withe=(...

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  6. In an ellipse, minor axis =8 and e=(sqrt(5))/(3). Then the major axis ...

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  8. The equation of the ellipse whose vertices are (-4,1) and (6,1) and a ...

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  10. The line 2 x+3 y=12 touches the ellipse 4 x^(2)+9 y^(2)=72 at

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  11. The condition that y=m x+c is a tangent to the ellipse (x^(2))/(a^(2))...

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  12. If (x)/(a)+(y)/(b)=sqrt(2) touches the ellipse (x^(2))/(a^(2))+(y^(2))...

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  13. The number of values of c such that the line y=4 x+c touches the curve...

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  14. The number of real tangents that can be drawn to the ellipse 3 x^(2)+5...

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  15. The equations of the tangents to the ellipse x^(2)+4 y^(2)=25 at the p...

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  16. The equation of the normal to the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(...

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  17. The normal to the ellipse x^(2)+4 y^(2)=20 at the point (4,-1) is give...

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