Mathematics Extension 1 11–12 – Year 11 · Permutations and combinations · · Topic: Probability · Year 11, 12
Use the multiplication principle to establish that the number of ordered selections of r objects from n distinct objects is n(n - 1)(n - 2) × … × (n - r + 1) and show that ⁿP_r = n(n - 1)(n - 2) × … × (n - r + 1) = (n!)/((n - r)!)
Dot point ID extension-1-year-11-permutations-and-combinations/dp-b1ff55c3 · See it on the NSW Curriculum website ↗
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Outcomes for this focus area (ME1-11-04)
ME1-11-04 uses permutations and combinations to solve problems involving counting, ordering and probabilityCore resources for this dot point
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