Question

5. Show that every positive integer is either even or odd.​

Answer 1

Answer:

The basic concept is that "when a positive integer 'n' is either odd or even then '(n + 1)' is also either even or odd. Case 1:- When 'n' is an odd number. For example, 'n = 2k + 1', where 'k' is an integer, then, (n +1) = (2k+1) + 1.

Step-by-step explanation:

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