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If the segment intercepted by the parabo...

If the segment intercepted by the parabola `y^(2)=4ax` with the line `lx+my+n=0` subtends a right angle at the vertex then:

A

`4al+n=0`

B

`4al+4am+n=0`

C

`4am+n=0`

D

`al+n=0`

Text Solution

Verified by Experts

The correct Answer is:
A
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