Find a basis for the subspace of Rº that is spanned by the vectors V1 = (1, 0, 0), v2 = (1, 0, 1), V3 = (4, 0, 1), V4 = (0, 0, -2) V1 and v2 form a basis for span {V1, V2, V3, V4}. V1 and v3 form a basis for span {V1, V2, V3, V4}. V2 and V4 form a basis for span {V1, V2, V3, V4}. V1 and V4 form a basis for span {V1, V2, V3, V4}. V2 and v3 form a basis for span {V1, V2, V3, V4}. V3 and V4 form a basis for span {V1, V2, V3, V4}. O All of the above are correct.