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If (4,2) and (k,-3) are conjugate points...

If (4,2) and (k,-3) are conjugate points with respect to `x^(2)+y^(2)-5x+8y+6=0` them k=

A

`(28)/(3)`

B

`-(28)/(3)`

C

`(3)/(28)`

D

`-(3)/(28)`

Text Solution

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1C(Pole, Polar)
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  10. The polar of three points with respect to a given circle are concurren...

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

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

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

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