Question: 2. Prove the following statement. (5 points) Let n be an integer; n is even if and only if n2 + 3 is odd. Provide

2. Prove the following statement. (5 points) Let n be an

2. Prove the following statement. (5 points) Let n be an integer; n is even if and only if n2 + 3 is odd. Provide all steps needed to prove this statement. Specify what type of a proof you use in each step. If you don't use the direct proof in some step, state a statement which you are proving instead. Your proof

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