$\"\"$

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

Find $\"\"$ .

Consider $\"\"$ .

The cross product of vectors $\"\"$ and $\"\"$ is

$\"\"$

The component form of the vector $\"\"$ is $\"\"$ .

Now find $\"\"$ .

The dot product of u and $\"\"$ is

$\"\"$

$\"\"$ .