Compute u+v\mathbf{u} + \mathbf{v}u+v where u=(2,3,4)\mathbf{u} = (2, 3, 4)u=(2,3,4) and v=(5,6,7)\mathbf{v} = (5, 6, 7)v=(5,6,7).
(7, 9, 11)
(10, 18, 28)
(3, 3, 3)
(0, 0, 0)