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7.3 Multivariate Linear Systems and Row Operations

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7.3 Multivariate Linear Systems and Row Operations

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7.3 Multivariate Linear Systems and Row Operations

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Group 1: search the formula of the multiplication principle of counting - solve 7
Group 2: search permutations of an n- set -  solve 9
Group 3: search distinguishable permutation. - solve 11
Group 4: permutation counting formula. - solve 23
Group 5: combination counting formula. - solve 29
Group 6: formula of counting a subset of an n-set. - solve 3

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make a video showing your work in one of the tasks