Question: Prove that the following three statements about positive integer n are equivalent: (a) n is odd; (b) n3 +1 is odd; (c) n - 1

Prove that the following three statements about positive integer n are

Prove that the following three statements about positive integer n are equivalent: (a) n is odd; (b) n3 +1 is odd; (c) n - 1 is even. [4 marks]

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