1.

Direction ratios of the line which is perpendicular to the lines with direction ratios (-1,2,2) and (0,2,1) areA. ` - 2 , - 1 , - 2 `B. `2, 1, 2 `C. `2, - 1, -2`D. `- 2, 1, - 2 `

Answer» 2, - 1, 2 (All given options are incorrect ).


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