A Factorial Lower Bound

A Factorial Lower Bound

IB Year 5 | Grade 11

6 marks

Prove by mathematical induction that \(n!\ge2^{n-1}\) for every \(n\in\mathbb Z^+\).[6]

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Answer:\(n!\ge2^{n-1}\) for every \(n\in\mathbb Z^+\).

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