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The angle between the lines whose direc...

The angle between the lines whose direction cosines satisfy the equation `l+m+n=0` and `l^(2)=m^(2)+n^(2)` is

A

0

B

`-pi/3`

C

`pi/4`

D

`pi/3`

Text Solution

Verified by Experts

The correct Answer is:
D
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HIMALAYA PUBLICATION-THREE DIMENSIONAL GEOMETRY-QUESTION BANK
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