Scalar multiplication: if u⃗=(1,−2,3)\vec{u} = (1, -2, 3)u=(1,−2,3), find 4u⃗4\vec{u}4u.
(4,−8,12)(4, -8, 12)(4,−8,12)
(4,2,3)(4, 2, 3)(4,2,3)
(1,−8,12)(1, -8, 12)(1,−8,12)
(5,−1,7)(5, -1, 7)(5,−1,7)