Mathematical Induction

Mathematical Induction

IB Year 5 | Grade 11

5 marks

Prove, by induction, \((1+a)^n \ge 1+na\), where \(a \in \mathbb{R}^+\), for all positive integers of \(n\).[5]

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Answer:\((1+a)^n\ge1+na\) for all \(n\in\mathbb Z^+\).

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