Let W be the subspace spanned by the vectors v1 = (1, 1, 0, 0), v2 = (0, 1, 1, 0), v3 = (0, 0, 1, 1). Then the orthogonal complement of W is:
Select one:
Wā = {(-x, x, -x, x) : x ā R}
Wā = {(-x, x, -x, -x) : x ā R}
Wā = {(x, -x, -x, x) : x ā R}