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The equation of a circle of radius 1 tou...

The equation of a circle of radius 1 touching the circle `x^2 + y^2 - 2|x| = 0` is

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The equation of a circle of radius 1 touching the circles x^2+y^2-2|x|=0 is (a) x^2+y^2+2sqrt(2)x+1=0 (b) x^2+y^2-2sqrt(3)y+2=0 (c) x^2+y^2+2sqrt(3)y+2=0 (d) x^2+y^2-2sqrt(2)+1=0

The radius of the circle (p-1)x^2 + y^2 - x - py= 0 is

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

Find the equation of the circle whose radius is 5 and which touches the circle x^2+y^2-2x-4y-20=0 externally at the point (5,5) .

Find the equation of the circle concentric with the circle x^(2) + y^(2) - 4x + 6y + 4 = 0 and passing through the point (2, -2).

Find the equation of the circle which is concentric with the circle 2x^(2) + 2y^(2) + 5x - 7y - 1 = 0 and whose radius is (1)/(4)sqrt(26) unit.

Find the equation of a circle concentric with the circle 2x^2+2y^2-6x+8y+1=0 and of double its area.

Find the equation of the circle of minimum radius which contains the three circles x^2-y^2-4y-5=0 x^2+y^2+12x+4y+31=0 and x^2+y^2+6x+12y+36=0

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
  1. A particle from the point P(sqrt3,1) moves on the circle x^2 +y^2=4...

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  2. If the circles x^2+y^2-9=0 and x^2+y^2+2alphax+2y+1=0 touch each other...

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  3. The equation of a circle of radius 1 touching the circle x^2 + y^2 - 2...

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  4. Which of the following lines have the intercepts of equal lengths on t...

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  5. If a circle passes through the point of intersection of the lines x+ y...

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  6. The circle x^2 + y^2 - 2x - 4y + 1 = 0 and x^2 + y^2 + 4x + 4y - 1 = ...

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  7. The equation of the line(s) parallel to x-2y=1 which touch(es) the ci...

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  8. If the conics whose equations are S1:(sin^2theta)x^2+(2htantheta)x y+(...

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  9. The range of value of 'a' such that angle theta between the pair of ta...

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  10. From the point A (0, 3) on the circle x^2+4x+(y-3)^2=0 a chord AB is d...

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  11. Tangents are drawn from external poinl P(6,8) to the circle x^2+y^2 =...

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  12. The radius of the circle touching the line 2x + 3y +1 = 0 at (1,-1) an...

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  13. If the abscissa and ordinates of two points Pa n dQ are the roots of t...

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  14. Line segments A C and B D are diameters of the circle of radius 1. If ...

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  15. The acute angle between the line 3x-4y=5 and the circle x^2+y^2-4x+2y-...

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  16. If two perpendicular tangents can be drawn from the origin to the c...

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  17. Let A(−4,0), B(4,0) & C(x,y) be points on the circle x^2 + y^2 = 16 su...

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  18. If the circle x^2 + y^2 + ( 3 + sin beta) x + 2 cos alpha y = 0 and x...

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  19. A tangent at a point on the circle x^2+y^2=a^2 intersects a concentric...

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  20. Tangent are drawn to the circle x^2+y^2=1 at the points where it is me...

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