alejsn5984 alejsn5984 11-01-2024 Mathematics contestada Which of the following subsets of R3 are actually subspaces of R3? Draw a picture or give an equation showing why the list does (or does not) form vector space in each case.the set of vectors (x1, x2, 13)ᵀ with x1 + x2 + x3 = 0.