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

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
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