Given that the point P P\,P has position vector 3i−4j+2k3\mathbf{i} - 4\mathbf{j} + 2\mathbf{k}3i−4j+2k and the point Q Q\,Q has position vector i+2j−5k\mathbf{i} + 2\mathbf{j} - 5\mathbf{k}i+2j−5k
Find the vector PQ⃗\vec{PQ}PQ
Find ∣PQ⃗∣|\vec{PQ}|∣PQ∣
