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Core Pure: series and proof
Quick questions on Proof by induction: summation, divisibility, recurrence and matrices - OCR A-Level Further Maths A
3short 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?Show answer
For a sum, you must factor to the exact target form; leaving an unsimplified expression loses the accuracy marks.
What is q1?Show answer
State the four parts of an inductive proof. [2 marks]
What is q2?Show answer
In proving is divisible by , how do you write the inductive hypothesis? [1 mark]
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