$\"\"$

The expression is $\"\"$ .

Rewrite the expression as addition of three vectors.

$\"\"$ .

To represent $\"\"$ draw a vector $\"\"$ times as long as $\"\"$ in the same direction of $\"\"$ .

To represent $\"\"$ draw the vector $\"\"$ half to the length of $\"\"$ in the opposite direction of $\"\"$ .

Then use the head-tail method to draw the resultant vector.

Vector Diagram :

$\"\"$

The vector diagram of $\"\"$ :

$\"\"$