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This is the Series and Sequences question. Do you know how to solve questions related to arithmetic and geometric series? All you need to do in this question is to apply the formulas of series. Hint: Model 1 represents arithmetic series and Model 2 represents geometric series.AoA. Can anyone pls explain how we solve the question # 8? and also explain generally how we solve these type of question. I cant solve these easily.thank you
http://www.xtremepapers.com/papers/CIE/Cambridge International A and AS Level/Mathematics (9709)/9709_s11_qp_11.pdf