Question: Proof by cases Problem 3. Prove the following theorem using proof by cases. Theorem 3. For every n e Z, n2 + 3n + 3

Proof by cases Proof by cases Problem 3. Prove the following theorem using proof by

Problem 3. Prove the following theorem using proof by cases. Theorem 3. For every n e Z, n2 + 3n + 3 is odd

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