Find the dot product ⟨2,−1,3⟩⋅⟨1,4,−2⟩\langle 2, -1, 3 \rangle \cdot \langle 1, 4, -2 \rangle⟨2,−1,3⟩⋅⟨1,4,−2⟩.
−8-8−8
888
000
−4-4−4