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
Obtain the scalar product of two mutually perpendicular vectors.
The area of the parallelogram whose sides are represented by the vectors $\hat j + 3\hat k$ and $\hat i + 2\hat j - \hat k$ is
The value of $(\overrightarrow A + \overrightarrow B )\, \times (\overrightarrow A - \overrightarrow B )$ is
What is the angle between $(\overrightarrow P + \overrightarrow Q )$ and $(\overrightarrow P \times \overrightarrow Q )$
The diagonals of a parallelogram are $2\,\hat i$ and $2\hat j.$What is the area of the parallelogram.........$units$