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Find the condition if the circle whose e...

Find the condition if the circle whose equations are `x^2+y^2+c^2=2a x` and `x^2+y^2+c^2-2b y=0` touch one another externally.

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CENGAGE PUBLICATION-CONIC SECTIONS-All Questions
  1. Equation of a circle with centre (4, 3) touching the circle x^2+y^2=1 ...

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  2. Find the equation of the tangent to the circle x^2 + y^2 - 2ax - 2ay +...

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  3. Find the condition if the circle whose equations are x^2+y^2+c^2=2a x ...

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  4. Through a fixed point (h, k) secants are drawn to the circle x^2 +y^2 ...

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  5. A variable chord of the circle x^2+y^2=4 is drawn from the point P(3,5...

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  6. In triangle A B C , the equation of side B C is x-y=0. The circumcente...

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  7. Let a and b represent the lengths of a right triangles legs. If d is t...

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  8. If the chord y = mx + 1 subtends an angle of measure 45^0 at the major...

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  9. (6,0),(0,6),a n d(7,7) are the vertices of a A B C . The incircle of ...

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  10. If O is the origin and O Pa n dO Q are the tangents from the origin to...

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  11. The range of values of r for which the point (-5+r/sqrt2,-3+r/sqrt2) i...

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  12. A square is inscribed in the circle x^2+y^2-2x+4y-93=0 with its sides ...

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  13. Statement 1 : The least and greatest distances of the point P(10 ,7)...

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  14. Statement 1 : The number of circles passing through (1, 2), (4, 8) a...

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  15. The locus of the midpoint of a line segment that is drawn from a given...

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  16. The difference between the radii of the largest and the smallest circl...

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  17. The centre of a circle passing through the points (0,0),(1,0)and touch...

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  18. Each question has four choices a, b, c and d, out of which only one is...

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  19. Statement 1 : If the chords of contact of tangents from three points...

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  20. Statement 1 : Circles x^2+y^2=144 and x^2+y^2-6x-8y=0 do not have any ...

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