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The length of the chrod cut-off by y=2x+...

The length of the chrod cut-off by y=2x+1 from the circle `x^(2)+y^(2)=2` is

A

`5//6`

B

`6//5`

C

`6//sqrt(5)`

D

`sqrt(5)//6`

Text Solution

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The correct Answer is:
C
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OBJECTIVE RD SHARMA ENGLISH-CIRCLES-Exercise
  1. If 2x-4y=9 and 6x-12y+7=0 are parallel tangents to circle, then radiu...

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  2. Equation of the diameter of the circle is given by x^(2)+y^(2)-12x+4+6...

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  3. The length of the chrod cut-off by y=2x+1 from the circle x^(2)+y^(2)=...

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  4. Area of a circle in which a chord of length sqrt2 makes an angle (pi)/...

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  5. The coordinates of the middle point of the chord cut-off by 2x-5y+18=0...

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  6. Find the equation of the circle passing through the points (1,-2)a ...

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  8. Equation of the circle with centre on the Y-axis and passing through t...

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  9. If the lines a1x+b1y+c1=0 and a2x+b2y+c2=0 cut the coordinae axes at c...

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  10. about to only mathematics

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  12. If the point (2,0) ,(0,1) , ( 4,5) and ( 0,c) are concyclic, then the ...

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  13. Find the point of intersection of the following pairs of lines: b x+a ...

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  14. Two perpendicular tangents to the circle x^(2) + y^(2) =a^(2) meet at ...

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  15. The equation of the tangents drawn from the origin to the circle x^(2)...

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  16. If from any point P on the circle x^2+y^2+2gx+2fy+c=0, tangents are dr...

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  17. If the equation of a given circle is x^2+y^2=36 , then the length of t...

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  18. Find the angle which the common chord of x^2+y^2-4x-4y=0 and x^2+y^2=1...

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

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  20. The tangents to x^2+y^2=a^2 having inclinations alpha and beta interse...

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