Question: 11. (10 points) Let n e Z. Use proof by contradiction to prove: If n2 + 6 is odd, then n is odd. (Note: Proofs

11. (10 points) Let n e Z. Use proof by contradiction

11. (10 points) Let n e Z. Use proof by contradiction to prove: "If n2 + 6 is odd, then n is odd." (Note: Proofs using a different method will not get any credit.)

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