The pair of lines whose direction cosines are given by the equations `3l + m + 5n = 0`, `6mn - 2nl + 5 lm = 0`, are
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Q 2105778668.
The pair of lines whose direction cosines are given by the
equations `3l + m + 5n = 0`, `6mn - 2nl + 5 lm = 0`, are
A
parallel
B
perpendicular
C
inclined at `cos^(-1) (1/6)`
D
none of the above
HINT
Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)
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