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The chord of contact of (2,1) w.r.t to t...

The chord of contact of (2,1) w.r.t to the circle `x^(2)+y^(2)+4x+4y+1=0` is

A

`2x+y+7=0`

B

`4x+3y+7=0`

C

`3x+4y+1=0`

D

not existing

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The correct Answer is:
B
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AAKASH SERIES-CIRCLES-EXERCISE -I
  1. To the circle x^(2)+y^(2)-8x-4y+4=0 tangent at the point theta=(pi)/4 ...

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  2. The normal at theta of the circle x^(2)+y^(2)=a^(2) is

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  3. The chord of contact of (2,1) w.r.t to the circle x^(2)+y^(2)+4x+4y+1=...

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  4. The chord of contact of (1,2) with respect to the circle x^(2)+y^(2)-4...

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  5. Find the inverse point of (-2,3) with respect to the circle x^(2)+y^(2...

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  6. For all real values of k, the polar of the point (2k, k-4) with respec...

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  7. The polar of (2,3) w.r.t the circle x^(2)+y^(2)-4x-6y+2=0 is

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  8. The polar of the line 8x-2y=11 with respect to the circle 2x^(2)+2y^(2...

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  9. Pole of 3x+5y+17=0 w.r.t the circle x^(2)+y^(2)+4x+6y+9=0 is

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  10. If ax + by + c = 0 is the polar of (1,1) with respect to the circle x^...

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  11. If (1,4), (-2,3) are conjugate points w.r.t x^(2)+y^(2)=k then k=

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

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  13. If (1,1), (k,2) are conjugate points with respect to the circle x^(2)+...

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

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  15. If 3x+2y=3 and 2x+5y=1 are conjugate lines w.r.t the circle x^(2)+y^(2...

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  16. The condition for the lines lxk+my+n=0 and l(1)x+m(1)y+n(1)=0 to be co...

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  17. If kx+3y=1, 2x+y+5=0 are conjugate liens w.r.t the circle x^(2)+y^(2)-...

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  18. If (6,8),(k,2) are inverse points w.r.t the circle x^(2)+y^(2)=25 the...

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  19. The inverse point of (1,-1) with respect to the circle x^(2)+y^(2)=4, ...

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  20. The inverse of the point (1, 2) with respect to the circle x^(2) + y^(...

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