Question: 1. Not a Vector Space: show that the set Z of integers (standard operations) is not a vector space by identifying at least one vector

1. Not a Vector Space: show that the set Z of integers (standard operations) is not a vector space by identifying at least one vector space property that fails?
2. DE Solution Space: Verify or justify with results from algebra or calculus the vector space properties 3, 4, and 1-2 of a vector space for the solution space of Example 3?

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