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Find the equation of the two tangents fr...

Find the equation of the two tangents from the point `(0, 1 )` to the circle `x^2 + y^2-2x + 4y = 0`

A

2x – y + 1 = 0, x + 2y – 2 = 0

B

2x – y – 1 = 0, x + 2y – 2 = 0

C

2x – y + 1 = 0, x + 2y + 2 = 0

D

2x – y – 1 = 0, x + 2y + 2 = 0

Text Solution

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The correct Answer is:
A
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MOTION-CIRCLE-Exercise - 1 (Objective Problems | JEE Main)
  1. The parametric coordinates of any point on the circle x^(2) + y^(2) – ...

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  2. Cartesian equations of a circle whose parametric equation are x = – 7 ...

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  3. Find the equation of the two tangents from the point (0, 1 ) to the ci...

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  4. Find the equation of the normal to the circle x^2+y^2=9 at the point (...

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  5. The length of the tangent drawn from the point (2, 3) to the circles 2...

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  6. Find the angle between the two tangents from the origin to the circle ...

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  7. The point from which the tangents to the circles x^2 +y^2-8x + 40 = 0,...

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  8. The tangent from the point of intersection of the lines 2x – 3y + 1 = ...

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  9. The equation of the circle having the lines y^(2) – 2y + 4x – 2xy = 0 ...

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  10. The equation of director circle to the circle x^(2) + y^(2) = 8 is

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

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  12. The locus of the mid-points of the chords of the circles x^2+ y^2-2x-...

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  13. find the locus of mid point of chords of circle x^2 +y^2= 25 which sub...

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  14. The equation to the chord of the circle x^(2) + y^(2) = 16 which is bi...

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  15. The locus of the centers of the circles such that the point (2, 3) is...

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  16. Tangents are drawn from (4, 4) to the circle x^(2) + y^(2) – 2x – 2y –...

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  17. Pair of tangents are drawn from every point on the line 3x + 4y = 12 o...

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  18. The equation of pair of tangents drawn from the point (0,1) to the cir...

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  19. From the point P(16,7), tangents PQ and PR are drawn to the circle x^2...

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  20. Equation of the circle touching the circle x^(2) + y^(2) - 15x + 5y = ...

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