First Principles AI

school

11TH · MATH

Question 3

menu_bookSolution menu_bookTheory menu_book•(i)

{}^nP_r = n \cdot {}^{n-1}P_{r-1}

menu_book•(ii)

{}^nP_r = {}^{n-1}P_r + r \cdot {}^{n-1}P_{r-1}

school

11TH · MATH

Question 3

menu_bookSolution menu_bookTheory menu_book•(i)

{}^nP_r = n \cdot {}^{n-1}P_{r-1}

menu_book•(ii)

{}^nP_r = {}^{n-1}P_r + r \cdot {}^{n-1}P_{r-1}

Accedmychevron_right11thchevron_rightmathchevron_rightPermutations And Combinationschevron_rightExercise 7.2

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