Question

If the vectors u and v are orthogonal then ‖u+v‖^2= ___________


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Answer 1

Answer:

Also note that if u and v are orthogonal, then u v u 2 v 2. Two vectors u and v are orthogonal if and only if u v u 2 v 2. If a vector z is orthogonal to every vector in a subspace W of Rn, then z is said to be orthogonal to W.