Mathematics (AS & A Level) · May / June 2016 · Paper 13 · Question 4
9709
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The 1st, 3rd and 13th terms of an arithmetic progression are also the 1st, 2nd and 3rd terms respectively of a geometric progression. The first term of each progression is 3. Find the common difference of the arithmetic progression and the common ratio of the geometric progression. [5] 1
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