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If the points (k,1) (2,-3) are conjugate...

If the points (k,1) (2,-3) are conjugate w.r.t. `x^(2)+y^(2)+4x-6y-12=0` then k

A

`-3`

B

`2//3`

C

`5//4`

D

1

Text Solution

Verified by Experts

The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1C(Pole, Polar)
  1. The polar of a given point which respect to any one of the circles x^(...

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  2. If (1, a), (b, 2) are conjugate points with renpcet to the circle x^(2...

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  3. If the points (k,1) (2,-3) are conjugate w.r.t. x^(2)+y^(2)+4x-6y-12=0...

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  4. The point (4,-2), (3,b) are conjugate w.r.t. the circle x^(2)+y^(2)=24...

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  5. If (4,2) and (k,-3) are conjugate points with respect to x^(2)+y^(2)-5...

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  6. For the circle x^(2)+y^(2)-2x-4y-4=0, then lines 2x+3y-1=0, 2x+y+5=0 a...

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  7. For the circle x^(2)+y^(2)-6x-6y+5=0" the lines "3x+y-2=0, x+7y-11=0 a...

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  8. The condition for the lines lx+my+n=0 and m(1)x+m(1)y+n(1)=0 to be con...

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  9. If the lines x+2y+K=0, x+y-3=0 are conjugate w.r.t. x^(2)+y^(2)=9", t...

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  10. If the lines x+2y+k=-, x+y-3=0 are conjugate w.r.t. the circle x^(2)+y...

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  11. If the lines kx+2y-4=0 and 5x-2y-4=0 are conjugate with respect to the...

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  12. The polar of three points with respect to a given circle are concurren...

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  13. The conjugate line 3x+4y-45=0 with respect to x^(2)+y^(2)-6x-8y+5=0 wh...

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  14. The straight line x-2y+1=0 intersects the circle x^(2)+y^(2)=25 in poi...

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  15. The line 4x+4y-11=0 intersects the circle x^(2)+y^(2)-6x-4y+4=0 at A a...

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  16. The point ef intersection of the tangents to the circle passing throug...

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  17. Let A and B be two fixed points. If a perpendicular p is drawn fros A ...

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  18. The lengths of the tungents from the points A and B to the circle are ...

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  19. The polars of any two points A and B wrt a circle, centre O meet at P....

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  20. If polar of P w.r.t. S=0 touch the circle x^(2)+y^(2)=a^(2), the locus...

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