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If t is a parameter of one end of a foca...

If t is a parameter of one end of a focal chord of the parabola `y^(2) =4ax` then its length is

A

`a(t+(1)/(t))^(2)`

B

`a(t-(1)/(t))^(2)`

C

`a(t+(1)/(t))`

D

`a(t-(1)/(t))`

Text Solution

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The correct Answer is:
A
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