If \overrightarrow{c} is the unit vector perpendicular to both the vectors \overrightarrow{a} and \overrightarrow{b}, then what is another unit vector perpendicular to both the vectors \overrightarrow{a} and \overrightarrow{b} ?

Correct Answer is : (→a×→b)|→a×→b|

\overrightarrow{c} \times \overrightarrow{a}

\overrightarrow{c} \times \overrightarrow{b}

- \overrightarrow{({a} \times \overrightarrow{b})}/\overrightarrow{|{a} \times \overrightarrow{b}|}

\overrightarrow{({a} \times \overrightarrow{b})}/\overrightarrow{|{a} \times \overrightarrow{b}|}

UPSC NDA II 2011 Mathematics Paper

Question : 58 of 120

Marks: +1, -0

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is the unit vector perpendicular to both the vectors

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and

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, then what is another unit vector perpendicular to both the vectors

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and

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