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If the lines x+2y+K=0, x+y-3=0 are conju...

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

A

3

B

`-9`

C

`-3`

D

`-5`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1C(Pole, Polar)
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  11. Let A and B be two fixed points. If a perpendicular p is drawn fros A ...

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

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

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  15. The locus of poles of tangents to the circle x^(2)+y^(2)=a^(2) w.r.t t...

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  16. The locus of poles of tangents to the circle (x-p)^(2)+y^(2)=b^(2) w.r...

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  17. If the polars of points on the circle x^2+y^2=a^2 w.r.t. the circle x^...

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  18. Polar of the origin w.r.t. the circle x^2+y^2+2ax+2by+c=0 touches the...

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  19. A tangent at a point on the circle x^(2)+y^(2)=a^(2) intersects a conc...

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  20. The pole of a straight line with respect to the circle x^(2)+y^(2)=a^(...

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