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Three circles touch one another externally. The tangents at their points of contact meet at a point whose distance from a point of contact is 4. Find the ratio of the product of the radii to the sum of the radii of the circles.

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VMC MODULES ENGLISH-CIRCLES-JEE ADVANCED ( ARCHIVE )
  1. Match the conditions // expression in Column I with statement in Colum...

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  2. Let C1and C2 be two circles with C2 lying inside C1 A circle C lying i...

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  3. Three circles touch one another externally. The tangents at their poin...

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  4. A Tangent PT is drawn to the circle x^2 + y^2 =4 at point p(sqrt(3),1)...

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  5. A tangent PT is drawn to the circle x^(2)+y^(2)=4 at the point P( sqrt...

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  6. A circle C of radius 1 is inscribed in an equilateral triangle PQR. Th...

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  7. A circle C of radius 1 is inscribed in an equilateral triangle PQR. Th...

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  8. A circle is inscribed in an equilateral triangle of side adot The area...

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  9. about to only mathematics

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  10. Find the equation of circle touching the line 2x + 3y + 1=0 at the poi...

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  11. Find the coordinates of the point at which the circles x^2+y^2-4x-2y+4...

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  12. Two circles, each of radius 5 units, touch each other at (1, 2). If th...

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  13. The centres of two circles C(1)andC(2) each of unit radius are at a di...

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  14. The locus of the centres of circles which touches (y-1)^(2)+x^(2)=1 ex...

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  15. If two distinct chords, drawn from the point (p, q) on the circle x^2+...

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  16. about to only mathematics

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  17. The center(s) of the circle(s) passing through the points (0, 0) and ...

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  18. Show that the equation of the circle passing through (1, 1) and the ...

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  19. Two circle x^2+y^2=6 and x^2+y^2-6x+8=0 are given. Then the equation o...

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  20. about to only mathematics

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