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Tangents AB and AC are drawn to the circ...

Tangents AB and AC are drawn to the circle`x^(2)+y^(2)-2x+4y+1=0` from A(0,1) then equation of circle passing through A,B and C is

A

`x^(2)+y^(2)+x+y+2=0`

B

`x^(2)+y^(2)-x+y-2=0`

C

`x^(2)+y^(2)-x-y-2=0`

D

`x^(2)+y^(2)-x-y+2=0`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-CIRCLES-EXERCISE II
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  2. The tangents at (5,12) and (12,-5) to the circle x^(2)+y^(2)=169 are

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  3. Tangents AB and AC are drawn to the circlex^(2)+y^(2)-2x+4y+1=0 from A...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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