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Find the coordinates of the centre and radius of each of the following circle: `x^2+y^2-a x-b y=0`

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RD SHARMA ENGLISH-THE CIRCLE-All Questions
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  4. Find the equation of the circle passing through the point: (5,1), (8, ...

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  5. Find the equation of the circle passing through the point: (1,2),(3,-4...

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  7. about to only mathematics

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  8. Find the equation of the circle which passes through the points (3, -2...

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  9. Find the equation of the circle which passes through the points (3,7),...

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  10. Show that the points (3,-2), (1,0), (-1, -2) and (1,-4) are con-cyclic...

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  11. Show that the points A(5,5), B(6,4), C(-2,4) and D(7,1) all lies on t...

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  12. Find the equation of the circle which circumscribes the triangle forme...

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  13. Find the equation of the circle which circumscribes the triangle forme...

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  14. Prove that the centres of the three circles (x^2 +y^2 −4x−6y−12=0) ,...

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  15. Find the equation of the circle which circumscribes the triangle forme...

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  16. Find the equation of the circle which circumscribes the triangle forme...

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  17. Find the equation of the circle which passes through the origin and ...

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  18. Find the equation of the circle concentric with the circle x^2 + y^2 -...

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  19. If a circle passes through the point (0,0),(a ,0)a n d(0, b) , then fi...

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  20. Find the equations of the circles drawn on the diagonals of the rect...

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