If \overrightarrow{a} \cdot \overrightarrow{b}=0 and \overrightarrow{a} \times \overrightarrow{b}=\overrightarrow{0} then which one of the following is correct?

Correct Answer is : →a=0 or →b=→0

\overrightarrow{a} is parallel to \overrightarrow{b}

\overrightarrow{a} is perpendicular to \overrightarrow{b}

\overrightarrow{a}=0 or \overrightarrow{b}=\overrightarrow{0}

UPSC NDA 2 2012 Mathematics Paper

Question : 92 of 120

Marks: +1, -0

→

⋅

→

=0 and

→

then which one of the following is correct?

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