Question: Workbook 6.1 Lesson 6.1: Permutations and Combinat 1 8. For both , P, and , Cr, n 2 r. Explain why this is true


Workbook 6.1 Lesson 6.1: Permutations and Combinat 1 8. For both , P, and , Cr, n 2 r. Explain why this is true
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