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The angle between the lines whose dire...

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

A

(a) `(pi)/(6)`

B

(b) `(pi)/(2)`

C

(c) `(pi)/(3)`

D

(d) `(pi)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
C
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