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The pair of lines whose direction cosines are given by the equations `3l+m+5n=0a n d6m n-2n l+5l m=0` are a. parallel b. perpendicular c. inclined at `cos^(-1)(1/6)` d. none of these

A

parallel

B

perpendicular

C

inclined at `cos ^(-1)((5)/(6))`

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
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VMC MODULES ENGLISH-THREE DIMENSIONAL GEOMETRY -LEVEL-1
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