Choose the set of correct options. a. A vector in R³ can be thought of as matrix of order 1 × 3 or 3 × 1. b. Intersection of any two subspaces of a vector space V is not a subspace. c. Intersection of any two subsets of a vector space V is a subspace. d. The empty subset of a vector space V is a subspace of V. e, V = {(x, 0, 0) | x ∈ R} is a subtspave of R³