Let the vector be $\"\"$ .

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

The vector $\"\"$ has same direction as $\"\"$ .

Let the vector $\"\"$ .

Formula for magnitude of three dimensional vector is $\"\"$ .

The magnitude of the vector $\"\"$ is

$\"\"$

$\"\"$ .

The unit vector of $\"\"$ is $\"\"$ .

$\"\"$

$\"\"$ .

The vector $\"\"$ is in the direction of unit vector $\"\"$ , with length $\"\"$ .

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

$\"\"$

$\"\"$ .