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A line drawn through the focus (F) and parallel to tangent at `P(x, y)` on the parabola `y^2 = 4ax` cuts the line `y =y_1` at Q. Then PQ is equal to

A

`a -x`

B

`a/2 +x_(1)`

C

`a + x_(1)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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