Mathematical Methods Β· Unit 1 Β· Binomial expansion and cubic functions Β· Binomial expansion

Use the binomial theorem (π‘₯ + 𝑦)𝑛 = π‘₯𝑛 + (𝑛 1) π‘₯π‘›βˆ’1𝑦+... + (𝑛 π‘Ÿ) π‘₯π‘›βˆ’π‘Ÿ π‘¦π‘Ÿ +... + 𝑦𝑛 to expand expressions, e.g.(2π‘₯ βˆ’ 1)3 Mathematical Methods 2025 v1.3

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Understand the notion of a combination as an unordered set of π‘Ÿ objects taken from a set of 𝑛 distinct objects.
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