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The parametric equation x=2a((1-t^(2)))/...

The parametric equation `x=2a((1-t^(2)))/(1+t^(2)) and y=(4at)/(l+t^(2))` represent a circle of radius

A

a/2

B

a

C

2a

D

4a

Text Solution

Verified by Experts

The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-CIRCLE-Exercise 1C(Pole, Polar)
  1. Find the pair of tangents drawn from (3,2) to the circle x^(2) + y^...

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

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  3. The angle between the tangents drawn from (0,0) to the circle x^(2)+y^...

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  4. If theta is the angle between the tangents from (-1,0) to the circle x...

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  5. From any point on the circle x^(2)+y^(2)=a^(2) tangents are drawn to t...

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  6. The condition that the pair of tangents drawn from the origin to the c...

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  7. The condition that the pair of tangents drawn from the origin to the c...

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  8. The angle between a pair of tangents drawn from a point P to the circl...

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  9. From any point on the circle x^(2)+y^(2)+2gx+2fy+c=0 tangents are draw...

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  10. The tangents drawn from the origin x^(2)+y^(2)-2rx-2hy+h^(2)=0 are per...

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  11. The parametric equation of the circle (x-3)^(2)+(y-2)^(2)=100 are

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  12. The coordinate of the point on the circle (x-1)^(2)+(y+2)^(2)=9 having...

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  13. The parametric equation of the circle x^(2)+y^(2)+8x-6y=0 are

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  14. The equation of the circle passing through the point (-1+3 cos theta, ...

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  15. Show that the locus of the point of inter section of the lines x cos t...

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  16. If x=-2+3 cos theta, y=1+3 sin theta then the locus of the point (x,y)...

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  17. The parametric equation x=2a((1-t^(2)))/(1+t^(2)) and y=(4at)/(l+t^(2)...

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  18. If a straight line through C(-sqrt8,sqrt8) making an angle 135^(@) wit...

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  19. The locus of the point of intersection of the tangents to the circle x...

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  20. Equation to the tangent at (a(1+cos alpha), a sin alpha) on the circle...

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