(2 points) suppose u⇀=⟨1,2⟩ and v⇀=⟨4,2⟩. then: u⇀+v⇀ = u⇀−v⇀ = v⇀−u⇀ = 7u⇀ = −12v⇀ = 2u⇀−3v⇀ = please enter your vector answers for this problem in component form, consistent with the notation used in this problem.