Hi guys, i have 2 problems on arithmetic/geometric series. Any help would be appreciated! 1. Find x so that x-1, x, x+2 are consecutive terms of a geometric series. 2. Find: n k=1 (1+2k) Thanks!!
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Originally Posted by Dijakin 1. Find x so that x-1, x, x+2 are consecutive terms of a geometric series. geometric series have a common ratio, so
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