$\"\"$

\

Dot Product :

\

If $\"\"$ and $\"\"$ are vectors, then their dot product,

\

denoted by $\"\"$ , is defined by $\"\"$ .

\

The vector are $\"\"$ and $\"\"$ .

\

Here $\"\"$ and $\"\"$ .

\

$\"\"$

\

$\"\"$

\

Dot product of $\"\"$ and $\"\"$ is $\"\"$ .