Practicing Success
If $\vec{a}$ and $\vec{b}$ represents the diagonals of a square, then |
$\vec{a} \times \vec{b}=0$ $\vec{a} \times \vec{b}=\vec{a}$ $\vec{a} . \vec{b}=0$ $\vec{a} . \vec{b}=1$ |
$\vec{a} . \vec{b}=0$ |
The correct answer is Option (3) - $\vec{a} . \vec{b}=0$ |