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If C(1): x^(2)+y^(2) =(3+2sqrt(2))^(2) b...

If `C_(1): x^(2)+y^(2) =(3+2sqrt(2))^(2)` be a circle. PA and PB are pair of tangents on `C_(1)` where P is any point on the director circle of `C_(1)`, then the radius of the smallest circle which touches `C_(1)` externally and also the two tangents PA and PB is

A

1

B

2

C

3

D

4

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FIITJEE-CIRCLE-Assignment Problems (Objective) Level -I
  1. The equation of circle touching the line 2x+3y+1=0 at the point (1,-1)...

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  2. The value of k for which two tangents can be drawn from (k,k) to the c...

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  3. If C(1): x^(2)+y^(2) =(3+2sqrt(2))^(2) be a circle. PA and PB are pair...

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  4. Equation of a circle with centre(4,3) touching the circle x^2+y^2=1

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  5. Find the co-ordinate of the point on the circle x^2+y^2-12x-4y +30=0, ...

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  6. The centre of circle inscribed in a square formed by lines x^2-8x+1...

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  7. From any point on the circle x^(2)+y^(2)=a^(2) tangents are drawn to t...

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  8. The equation of the circumcircle of an equilateral triangle is x^2+y^2...

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  9. Four distinct points (2K,3K),(1,0),(0,1) and (0,0) lie on circle when

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  10. A line is drawn through a fixed point P(alpha, B) to cut the circle x...

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  11. The line 4x+3y-4=0 divides the circumference of the circle centred at ...

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  12. The maximum distance of the point (4,4) from the circle x^2+y2-2x-15=0...

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  13. If the circle x^2+y^2+4x+22y+l=0 bisects the circumference of the circ...

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  14. A, B C and D are the points of intersection with the coordinate axes o...

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  15. If the length of the tangents from any point on the circle 15x^(2)+15y...

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  16. ) Six points(x,yi),i=1,2, ,.., 6 are taken on the circle x4 such that ...

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  17. The circles x^2+y^2+x+y=0 and x^2+y^2+x-y=0 intersect at an angle of

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  18. The centers of a set of circles, each of radius 3, lie on the circle x...

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  19. The chords of contact of the pair of tangents drawn from each point on...

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  20. Equation of a circle S(x,y)=0 , (S(2,3)=16) which touches the line 3x+...

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