If v=⟨a,b,c⟩\mathbf{v} = \langle a, b, c \ranglev=⟨a,b,c⟩ and all components satisfy a=b=c=ka = b = c = ka=b=c=k, what is ∥v∥\|\mathbf{v}\|∥v∥ in terms of kkk?
3k3k3k
k3k\sqrt{3}k3
3∣k∣3|k|3∣k∣
∣k∣3|k|\sqrt{3}∣k∣3