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A variable chord PQ of the parabola y=4x...

A variable chord PQ of the parabola `y=4x^(2)` subtends a right angle at the vertex. Then the locus of points of intersection of the tangents at P and Q is

A

`4y+1=16x^(2)`

B

y + 4 = 0

C

`4y+4=4x^(2)`

D

4y + 1 = 0

Text Solution

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The correct Answer is:
D
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