\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Let \(\Vect{u}\) and \(\Vect{v}\) be two vectors such that \(\|\Vect{u}\|=2\), \(\|\Vect{v}\|=3\), and \(\|\Vect{u}+\Vect{v}\|=4\). Calculate:
\(\Vect{u} \cdot \Vect{v} =\)