Find a formula for the general term an of the sequence {1,−21,41,−81,…} (a) 21−n (b) (−2)−n (c) (−1)2n (d) (−2)1−n (
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Find a formula for the general term an of the sequence {1,−21,41,−81,…} (a) 21−n (b) (−2)−n (c) (−1)2n (d) (−2)1−n (
Find a formula for the general term an of the sequence {1,−21,41,−81,…} (a) 21−n (b) (−2)−n (c) (−1)2n (d) (−2)1−n (e) (−2)n (f) (−2)n−1 (g) (−2)2n (h) 2n−1
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