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Sequences and Series

Quick questions on Mathematical induction explained: H2 Mathematics Sequences and Series

5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is weak algebra in the step?
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Aim to reach the formula with n=k+1n = k + 1 exactly; factor early and simplify carefully rather than expanding blindly.
What is not stating PP ?
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Define the proposition clearly at the start so the base case and step have something precise to verify.
What is q1?
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State the three parts of a proof by mathematical induction. [2 marks]
What is q2?
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In an induction proof of a sum, what do you add to the assumed sum to kk terms? [1 mark]
What is q3?
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For a divisibility proof that 7n17^n - 1 is divisible by 66, write down the inductive hypothesis. [2 marks]

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