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OA is the chord of the parabola y^(2)=4x...

OA is the chord of the parabola `y^(2)=4x` and perpendicular to OA which cuts the axis of the parabola at C. If the foot of A on the axis of the parabola is D, then the length CD is equal to

A

2 units

B

3 units

C

4 units

D

6 units

Text Solution

Verified by Experts

The correct Answer is:
C
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