$\"\"$

Let the initial point is $\"\"$ and terminal point is $\"\"$

The components of $\"\"$ are $\"\"$

$\"\"$

The vector is $\"\"$ $\"\"$

The magnitude of the vector v is : $\"\"$ .

$\"\"$ (Substitute : $\"\"$ )

$\"\"$

$\"\"$ (Simplify) $\"\"$

The component form is $\"\"$ and magnitude of vector v is $\"\"$ .