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The equation of the normal to the curve ...

The equation of the normal to the curve `x^2=4y` at `(2,1)` is

A

2x+y+4=0

B

x+y- 3=0

C

2x-y+4=0

D

2x-y-4=0

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-PARABOLA-EXERCISE- I
  1. Angle between tangents drawn at ends of focal chord of parabola y^(2) ...

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  2. Point of intersection of tangents to the paraholu (y-2)^(2) = 4(x-1) a...

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  3. The equation of the normal to the curve x^2=4y at (2,1) is

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  4. The graph represented by the equations x= sin ^(2) t, y = 2 cos t is

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  5. Find the value of k if the line 2y=5x+k is a tangent to the parabola y...

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  6. The equation of the tangent to the parabola y^(2)=8x and which is para...

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  7. The line 4x+6y+9 =0 touches the parabola y^(2)=4ax at the point

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  8. The sum of the slopes of the tangents to the parabola y^(2)=8x drawn f...

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  9. The locus of point of intersection of perpendicular tangents drawn to ...

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  10. The point of intersection of tangents at the ends of Iatus rectum of t...

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  11. The equation to the normal to the parabola x^(2) = 2y at (1, 2) is

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  12. Assertion(A) : If the line x = 3y+k touches the parabola 3y^(2) = 4x t...

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  13. The equation of the chord of the parabola y^(2)=2x having (1,1) as its...

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  14. The point of intersection of the tangents at t(1) and t(2) to the para...

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  15. If the tangents at t(1) and t(2) on y^(2)=4ax meet on the directrix th...

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  16. If the tangents at and t(1) and t(2)= on y^(2)=4ax meets on its axis t...

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  17. If the tangents at t(1) and t(2) on y^(2) = 4ax makes complimentary a...

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  18. If the normal at t(1) on the parabola y^(2)=4ax meet it again at t(2)...

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  19. If the normals at t(1) and t(2) on y^(2) = 4ax meet again on the para...

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  20. Number of focal chords of the parabola y^(2)=9x whose length is less t...

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