Find the angle between the lines whose d...

Find the angle between the lines whose direction cosines are given by the equations `3l + m + 5n = 0` and `6mn - 2nl + 5lm = 0`

A

`cos^(-1)((1)/(sqrt(6)))`

B

`cos^(-1)((-1)/(6))`

C

`cos^(-1)((2)/(sqrt(6)))`

D

`cos^(-1)((-2)/(sqrt(6)))`

Verified by Experts

The correct Answer is:

B

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