a. Find an example of an odd number x and an even number y
Chapter 2, Problem 8(choose chapter or problem)
a. Find an example of an odd number x and an even number y such that x y = 7. b. What is wrong with the following proof that an odd number minus an even number is always 1? Let x be odd and y be even. Then x = 2m + 1, y = 2m, where m is an integer, and x y = 2m + 1 2m = 1.
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