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The radius of the circle passing through...

The radius of the circle passing through the point (6, 2), two of whose diameters are `x+y = 6` and `x+2y=4` is

A

10

B

`2sqrt5`

C

6

D

4

Text Solution

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The correct Answer is:
B
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MCGROW HILL PUBLICATION-CIRCLES AND SYSTEMS OF CIRCLES -EXERCISE (LEVEL 1 ( SINGLE CORRECT ANSWER TYPE QUESTIONS ))
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  2. the equation ax^(2)+ 2hxy + by^(2) + 2gx + 2 fy + c=0 represents ...

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  3. The radius of the circle passing through the point (6, 2), two of whos...

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  4. Find the equation of the circle passing throught (1,1) and the points ...

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  5. An equation of the normal at the point (2,3)to the circle x ^(2)+ y^(2...

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  6. The line x + y tna theta = cos theta touches the circle x ^(2) + y ^(...

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  7. If (x,3) and (3,5) are the extermities of a diameter of a circle with ...

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  8. The circle (x-r) ^(2) + (y-r) ^(2) =r ^(2) touches

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  9. The centre and the radius of the circle with the segment of the line x...

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

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  11. Equation of a circle which touches y-axis at (0,2) and cuts ff an inte...

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  12. The circles x^(2)+y^(2)+2x-2y+1=0 and x^(2)+y^(2)-2x-2y+1=0 touch each...

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  13. The tangent at any point to the circle x^2+y^2=r^2 meets the coordinat...

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  14. Equation of a circle with centre C (h,k) and radius 5 such that h ^(2...

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  15. If S -= x ^(2) + y ^(2) - 2x - 4y - 4=0, L -= 2x + 2y + 15=0 and P (3,...

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  16. If POR is the triangle formed by the common tangents to the circles x^...

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  17. A rectangle ABCD is inscribed in the circle x^2+y^2+3x+12y+2=0 . If th...

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  18. A line makes equal intercepts of length a on the coordinate axes. A ci...

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  19. alpha,beta and gamma are parametric angles of three points P, Q and R ...

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  20. P is a point on the circle x^2+y^2=9 Q is a point on the line 7x+y+3=0...

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