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If the angle of intersection of the circ...

If the angle of intersection of the circle `x^2+y^2+x+y=0` and `x^2+y^2+x-y=0` is `theta` , then the equation of the line passing through (1, 2) and making an angle `theta` with the y-axis is `x=1` (b) `y=2` `x+y=3` (d) `x-y=3`

A

`pi//6`

B

`pi//4`

C

`pi//3`

D

`pi//2`

Text Solution

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The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-CIRCLES-Chapter Test
  1. A line is at a distance 'c' from origin and meets axes in A and B. The...

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  2. The number of circles that touch all the straight lines x+y-4=0, x-y+2...

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  3. Find the number of integral values of lambda for which x^2+y^2+lambdax...

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  4. The four points of intersection of the lines (2x-y+1)(x-2y+3)=0 with t...

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  5. If 2x+3y-6=0 and 9x+6y-18=0 cuts the axes in concyclic points, then th...

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  6. The line lx+my+n=0 intersects the curve ax^2 + 2hxy + by^2 = 1 at the ...

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  7. Two circles, each of radius 5, have a common tangent at (1, 1) whose e...

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  8. PQ is a chord of the circle x^(2)+y^(2)-2x-8=0 whose mid-point is (2, ...

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  9. The number of circles belonging to the system of circles 2(x^(2)+y^(2)...

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  10. If (-1/3,-1) is a centre of similitude for the circles x^2+y^2=1 and x...

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  11. Statement 1 : The equation x^2+y^2-2x-2a y-8=0 represents, for differe...

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  12. x=1 is the radical axis of the two orthogonally intersecting circles....

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  13. about to only mathematics

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  14. The circles x^(2)+y^(2)+6x+6y=0 and x^(2)+y^(2)-12x-12y=0:

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  15. The equation of the pair of straight lines parallel tox-axis and touch...

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  16. The equation of the circumcircle of the triangle formed by the lines x...

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  17. The value of lambda for which the circle x^(2)+y^(2)+2lambdax+6y+1=0 i...

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  18. The equation of the circle concentric to the circle 2x^(2)+2y^(2)-3x+6...

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  19. If the angle of intersection of the circle x^2+y^2+x+y=0 and x^2+y^2+x...

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  20. The equation of the image of the circle (x-3)^(2)+(y-2)=1 in the mirro...

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