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Mathematics, 17.09.2019 02:20 PerfectMagZ

Given the first term and common ratio, find the first four terms and the explicit formula.
a1=1, r=-2
a1=2, r=-6
a1=3, r=-5
a1=4, r=-2

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Given the first term and common ratio, find the first four terms and the explicit formula.
a1=...
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