Compute u+v\mathbf{u} + \mathbf{v}u+v where u=(10,0)\mathbf{u} = (10, 0)u=(10,0) and v=(0,10)\mathbf{v} = (0, 10)v=(0,10).
(10, 10)
(0, 0)
(100, 0)
(0, 100)