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If (mi,1/mi),i=1,2,3,4 are concyclic poi...

If (m_i,1/m_i),i=1,2,3,4 are concyclic points then the value of `m_1m_2m_3m_4` is

A

1

B

-1

C

0

D

none of these

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The correct Answer is:
A
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OBJECTIVE RD SHARMA-CIRCLES-Exercise
  1. One of the diameter of a circle circumscribing the rectangle ABCD is 4...

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  2. The points of contact of tangents to the circle x^(2)+y^(2)=25 which a...

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  3. If (mi,1/mi),i=1,2,3,4 are concyclic points then the value of m1m2m3m4...

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  4. Find the area of the triangle formed by the tangents from the point (4...

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  5. The tangent at P, any point on the circle x^2 +y^2 =4 , meets the coor...

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  6. The equation of the circle which touches the axes of coordinates and ...

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  7. If the chord of contact of the tangents from a point on the circle x^2...

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  8. If from the origin a chord is drawn to the circle x^(2)+y^(2)-2x=0, t...

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  9. The locus represented by x=a/2(t+1/t), y=a/2(t-1/t) is

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  10. If the circle C1: x^2 + y^2 = 16 intersects another circle C2 of radiu...

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  11. Find the locus of the midpoint of the chord of the circle x^2+y^2-2x-2...

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  12. The two circles x^(2)+y^(2)-2x-3=0 and x^(2)+y^(2)-4x-6y-8=0 are such ...

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  13. The equation of the circle having its centre on the line x+2y-3=0 and ...

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  14. The equation of the circumcircle of the triangle formed by the lines y...

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  15. The equation x^(2)+y^(2)+4x+6y+13=0 represents

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  16. To which of the circles, the line y-x+3=0 is normal at the point (3+3s...

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  17. Circles are drawn through the point (2, 0) to cut intercept of length ...

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  18. Find the equation of the circle which touches both the axes and the ...

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  19. The slope of the tangent at the point (h, h) of the circle x^(2)+y^(2...

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  20. The two circles x^2+ y^2=r^2 and x^2+y^2-10x +16=0 intersect at two d...

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