For u=⟨2,3,−1⟩\mathbf{u} = \langle 2, 3, -1 \rangleu=⟨2,3,−1⟩ and v=⟨−1,0,2⟩\mathbf{v} = \langle -1, 0, 2 \ranglev=⟨−1,0,2⟩, is u⋅v\mathbf{u} \cdot \mathbf{v}u⋅v positive, negative, or zero?
Positive
Negative
Zero (orthogonal)
Cannot be determined