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Let N be the foot of perpendicular to th...

Let `N` be the foot of perpendicular to the x-axis from point `P` on the parabola `y^2=4a xdot` A straight line is drawn parallel to the axis which bisects `P N` and cuts the curve at `Q ;` if `N O` meets the tangent at the vertex at a point then prove that `A T=2/3P Ndot`

A

`(3)/(2)`

B

`(2)/(3)`

C

`1`

D

None of these

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The correct Answer is:
B
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