Calculate 2u−v2\mathbf{u} - \mathbf{v}2u−v where u=(1,2)\mathbf{u} = (1, 2)u=(1,2) and v=(2,4)\mathbf{v} = (2, 4)v=(2,4).
0\mathbf{0}0
(4, 8)
(0, 0)
Both a and c