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Let a and b two distinct points on the...

Let a and b two distinct points on the parabola `y^(2)=4x` if the axis fo the parabola touches a circle of raidus r haiving then the slope of the line joining a and b can be

A

`-(1)/(r )`

B

`(1)/(r )`

C

`(2)/(r )`

D

`-(2)/(r )`

Text Solution

Verified by Experts

The correct Answer is:
C, D
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