$\"\"$

\

The vectors are $\"\"$ and $\"\"$ .

\

The vector $\"\"$ is orthogonal to both $\"\"$ and $\"\"$ . \ \

\

$\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$ .

\

The length of the vector $\"\"$ is $\"\"$ .

\

$\"\"$ .

\

The unit vector is $\"\"$ .

\

$\"\"$ .

\

$\"\"$ .

\

Therefore, the unit vector is $\"\"$ .

\

$\"\"$

\

The vectors are $\"\"$ and $\"\"$ .

\

The vector $\"\"$ is orthogonal to both $\"\"$ and $\"\"$ . \ \

\

$\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$ .

\

The length of the vector $\"\"$ is $\"\"$ .

\

$\"\"$ .

\

The unit vector is $\"\"$ .

\

$\"\"$ .

\

$\"\"$ .

\

Therefore, the unit vector is $\"\"$ .

\

The unit vectors are $\"\"$ and $\"\"$ .

\

$\"\"$

\

The unit vectors are $\"\"$ and $\"\"$ .