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Angle between tangents drawn from a poin...

Angle between tangents drawn from a points P to circle `x^(2)+y^(2)-4x-8y+8=0` is `60^(@)` then length of chord of contact of P is

A

6

B

4

C

2

D

3

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The correct Answer is:
A
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AAKASH SERIES-CIRCLES-EXERCISE II
  1. Tangents AB and AC are drawn to the circlex^(2)+y^(2)-2x+4y+1=0 from A...

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  2. The angle between the tangents to the circle with centre (4,5) drawn f...

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  3. Angle between tangents drawn from a points P to circle x^(2)+y^(2)-4x-...

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  4. Locus of the point of intersection of tangents to the circle x^(2)+y^...

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  5. The angle between a pair of tangents drawn from a point P to the circl...

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  6. Locus of the point of intersection of perpendicular tangents to the ci...

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  7. Locus of point of intersection of perpendicular tangents to the circle...

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  8. Locus of the point of intersection of perpendicular tangents drawn one...

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  9. Locus of the points of intersection of perpendicular tangents drawn on...

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  10. The condition that the pair of tangents drawn from origin to circle ...

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  11. If two tangents are drawn from a point on x^(2)+y^(2)=16 to the circle...

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  12. From any point on the circle x^(2)+y^(2)+2gx+2fy+c=0 tangents are draw...

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  13. Assertion (A): The director circle of x^(2)+y^(20=4 is x^(2)+y^(2)= ...

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  14. The equation of the circle withcentre at (4,3) and touching the line 5...

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  15. Numebr of circles touching all the lines x+y-1=0, x-y=1=0 and y+1=0 ar...

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  16. The number of circles that touch all the straight lines x + y = 4, x -...

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  17. The number of circles that touches all the three lines x+y-1=0, x-y-1=...

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  18. The number of circles that touch all the 3 lines 2x+y=3, 4x-y=3, x+y=2...

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  19. Number of circles touching all the lines x+4h+1=0, 2x+3y+3=0 and x-6y+...

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  20. The line y=x is a tangent at (0,0) to a circle of radius is 1, then ce...

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