Mathematics, 27.11.2019 02:31 amandaelisantos

Find a basis for each of these subspaces of r4 :
a) all vectors whose components are equal.
b) all vectors whose components adds to zero.
c) all vectors that are perpendicular to (1,1,0,0) and(1,0,1,1)
d) the column space(in r2) and nullspace (in r5) of u= [ (1 0 1 01); (0 1 0 1 0)]

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Find a basis for each of these subspaces of r4 :
a) all vectors whose components are equal.