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Find the angle between the lines whos...

Find the angle between the lines whose direction cosines are connected by the relations `l+m+n=0a n d2//m+2n l-m n=0.`

A

`pi/3`

B

`pi/6`

C

`(2pi)/3`

D

`(3pi)/3`

Text Solution

Verified by Experts

The correct Answer is:
C
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