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Let the lines l(1) and l(2) be normals t...

Let the lines `l_(1)` and `l_(2)` be normals to `y^(2)=4x` and tangents to `x^(2)=-12y` (where `l_(1) and l_(2)` are not x - axis). The absolute value of the difference of slopes of `l_(1) and l_(2)` is

A

3

B

2

C

1

D

`(1)/(2)`

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The correct Answer is:
C
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