If a vector $\vec A$ is parallel to another vector $\vec B$ then the resultant of the vector $\vec A \times \vec B$ will be equal to
$A$
$\vec A$
Zero vector
Zero
The resultant of $\vec{A} \times 0$ will be equal to
If diagonals of a parallelogram are $\left( {5\hat i - 4\hat j + 3\hat k} \right)$ and $\left( {3\hat i + 2\hat j - \hat k} \right)$ then its area is
Two vector $A$ and $B$ have equal magnitudes. Then the vector $\mathop A\limits^ \to + \mathop B\limits^ \to $ is perpendicular to
Which of the following is the unit vector perpendicular to $\overrightarrow A $ and $\overrightarrow B $