Progressions/Sequences/Series (Edexcel -2005) Archives — O/A Level Solutions

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2005 | January | Q#5

Hits: 46 Question The rth term of an arithmetic series is (2r – 5). a. Write down the first three terms of this series. b. State the value of the common difference. c. Show that Solution a. We are given that rth term of arithmetic series is represented by; Therefore, to find any term k […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2005 | June | Q#9

Hits: 423 Question An arithmetic series has first term and common difference . a) Prove that the sum of the first n terms of the series is Sean repays a loan over a period of months. His monthly repayments form an arithmetic sequence. He repays £149 in the first month, £147 in the second month, £145 in the […]