Which of the following statements are true? Select all true answers. If S is a subset but not a subspace of the vector space V, still then span (S) is a subspace of V. {0}is the only trivial subspace of the vector space V. span (S) is always the smallest subset of the vector space V containing the set S. If S = span (S)then S must be a subspace of the vector space V. If there is a linear combination of some proper subset of S to form the

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