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The radical centre of the three circleS...

The radical centre of the three circleS deseribed on the three sides of a trianglt as diameter is

A

the orthocentre

B

the circumcentre

C

the incentre

D

the centroid

Text Solution

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The correct Answer is:
A
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HIMALAYA PUBLICATION-CIRCLES-QUESTION BANK
  1. Consider the circleS, x^(2)+(y-1)^(2)=9 (x-1)^(2)+y^(2)=25 . These ...

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  2. The number of common tangents to the circles x^(2)+y^(2)-x=0 and x^(2)...

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  3. The radical centre of the three circleS deseribed on the three sides ...

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  4. The circle, which passes through the origin and whose centre lies on t...

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  5. The equation of the circle described on the common chord of the circ...

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  6. The equation of the circle which touches the lines x=0, y=0 and x=c(c...

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  7. The centre and radius of the circle with the segment of the line x+y=...

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  8. Two circleS of equal radius ' r ' cut orthogonally. If their centres ...

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  9. Given that for the circle x^(2)+y^(2)-4 x+6 y+1=0 the line with equat...

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  10. The equation of the normal to the circle x^(2)+y^(2)-2 x-2 y-2=0 is a...

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  11. The locus of the point of intersection of perpendicular tangents to th...

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  12. The equation of a circle with centre (4,1) and having 3 x+4 y-1=0 as ...

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  13. The slope of the radical axis of the circleS x^(2)+y^(2)+3 x+4 y-5=0 ...

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  14. If the circle x^(2)+y^(2)+2 x-2 y+4=0 cuts the circle x^(2)+y^(2)+4 ...

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  15. The centre of the circle touching the y -axis at (0,3) and making an ...

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  16. A variablt circle passes through the fixed point (2,0) and touches th...

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  17. The number of circleS that touch all the lines x+y-4=0, x-y+2=0 and y...

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  18. The slope m of a tangtnt through the point (7,1) to the circle x^(2)+...

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  19. The number of common tangtnts that can be drawn to the circleS x^(2)+...

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  20. Two circleS of equal radius ' r ' cut orthogonally. If their centres ...

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