The direction ratios of the line perpendicular to the lines with direction ratios `< 1, - 2, - 2 >` and `< 0, 2, 1 >`

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Q 1626380271.     The direction ratios of the line perpendicular to the lines

with direction ratios `< 1, - 2, - 2 >` and `< 0, 2, 1 >` are
DSSB 2015 Paper 1
A

`< 2,-1,2 >`

B

`< -2,1,2 >`

C

`< 2, 1, - 2 >`

D

`< - 2,- 1,- 2 >`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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