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Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2013 | January | Q#7

Hits: 3   Question Lewis played a game of space invaders. He scored points for each spaceship that he captured. Lewis scored 140 points for capturing his first spaceship. He scored 160 points for capturing his  second spaceship, 180 points for capturing his third spaceship, and so on. The number of points scored for capturing each successive spaceship formed an arithmetic  […]

Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2013 | January | Q#4

Hits: 3 Question A sequence  satisfies , , Given that , a)   Find the value of  and the value of . b)  Evaluate . Solution a)     We are given that sequence  is defined by We are given that  and required to find . We can utilize the given expression for general terms beyond first term as; Similarly, we can find […]