Determine whether the set Wis a subspace of R³ with the standard operations. If not, state why. (Select all that apply.) W = {(x1, 1/X1, X3): X₁ and x3 are real numbers, x₁ # 0} OW is a subspace of R³. OW is not a subspace of R³ because it is not closed under addition. OW is not a subspace of R³ because it is not closed under scalar multiplication.

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