Let V be set of all vectors (x, y) in R² such that xy ≥ 0. Addition and scalar multiplication are usual for vectors in R². Mark the vector space axioms that are satisfied by V. (u and v are arbitrary elements of V, and c is a scalar.) The sum u + v exists and is an element of V. (V is closed under addition.) cu is an element of V. (V is closed under scalar multiplication.) There exists an element of V, called a zero vector, denoted 0, such that u + 0 = u. For every element u of V there exists an element called a negative of u, denoted -u, suc u + (-u) = 0. None of these Is V a vector space? Yes

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