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A circle of radius 'r' passes through the origin `O` and cuts the axes at A and B,Locus of the centroid of triangle OAB is

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A DAS GUPTA-Circles-EXERCISE
  1. 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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  2. From the origin, chords are drawn to the circle (x-1)^2 + y^2 = 1. The...

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  3. A circle of radius 'r' passes through the origin O and cuts the axes a...

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  4. A circle of radius r passes through the origin O and cuts the axes at ...

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  5. Find the locus of the midpoint of the chords of the circle x^2+y^2=a^2...

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  6. Let A be one point of intersection of two intersecting circles with ce...

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  7. Prove that the locus of a point which moves such that the sum of th...

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  8. The tangent at any point P on the circle x^2 + y^2 = 2 cuts the axes i...

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  9. A triangle has two of its sides along the axes, its third side touches...

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  10. The locus of the perpendiculars drawn from the point (a, 0) on tange...

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  11. Let S-=x^2+y^2+2gx+2f y+c= be a given circle. Find the locus of the fo...

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  12. Show that the locus of points from which the tangents drawn to a circl...

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  13. Find the locus of the point of intersection of tangents to the circle ...

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  14. The circle x^2+y^2-4x-4y+4=0 is inscribed in a triangle which has two ...

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  15. The locus of the centres of the circles which touch x^2+y^2=a^2 and x^...

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  16. Locus of the point of intersection of perpendicular tangents to the ...

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  17. If the polar of a point (p,q) with respect to the circle x^2 +y^2=a^2 ...

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  18. Find the locus of the centres of the circle which cut the circles x^2+...

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  19. The circle (x-a)^2+(y-a)^2=a^2 is rolled on the y-a xi s in the positi...

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  20. The circle x^2+y^2 - 4x-8y + 16 = 0 rolls up the tangent to it at (2+s...

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