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can you answer c and d only 9. (Lewis and Zax 7.4) Give examples of infinite sets A and B for which A - B

can you answer c and d only

9. (Lewis and Zax 7.4) Give examples of infinite sets A and B for which A - B is equal to: (a) o (b) n, where n > 0 is an integer (c) |Al, where | A| = |B (d) |A|, where | A| # |B

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