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How many one-to-one correspondences are there between two sets with 5 elements each?
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How many one-to-one correspondences are there between two sets with 5 elements each?
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Mar 22, 2019
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How many one-to-one correspondences are there between two sets with 5 elements each?
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1st element can be matched with 5
2nd element can be matched with 4
3rd element can be matched with 3
etc.
Total number of correspondences = 5*4*3*2*1 = 120
Ivan Kush
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Mar 28, 2019
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Ivan Kush
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