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Direction cosines of the line which is p...

Direction cosines of the line which is perpendicular to the lines
with direction ratios (-1,2,2) and (0,2,1) are

A

(a) `(-2)/(3),(1)/(3),(2)/(3)`

B

(b) `(2)/(3),(-1)/(3),(2)/(3)`

C

(c) `(2)/(3),(1)/(3),(-2)/(3)`

D

(d) `(2)/(3),(-1)/(3),(-2)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
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