If 1,2,3 and -1,0,1 are the direction ratios of the rays \overrightarrow{\OA} and \overrightarrow{\OB} respectively, then the direction cosines of a normal to the plane AOB are

Correct Answer is : −1√6,2√6,−1√6

{1/\sqrt3},{1/\sqrt3},{{-1}/\sqrt3}

{{-1}/\sqrt6},{2/\sqrt6},{{-1}/\sqrt6}

TS EAMCET 6-Aug-2021 Shift 2 Question Paper

Section: Mathematics

Question : 62 of 160

Marks: +1, -0

If 1,2,3 and −1,0,1 are the direction ratios of the rays

→

and

→

respectively, then the direction cosines of a normal to the plane AOB are

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