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A normal is drawn to parabola y^2=4ax at...

A normal is drawn to parabola `y^2=4ax` at any point other than the vertex. If it cuts the parabola again at a point whose distance from the vertex is not less than:

A

`t_(1)t_(2)= -1`

B

`t_(2)= -t_(1) -(2)/(t_(1))`

C

`2t_(1)=t_(2)`

D

none of these

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The correct Answer is:
B
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