tell whether the given sequence is arithmetic, a geometric or nether. if it is an arithmetic, find the common difference. If it is an geometric, find common ratio.
1. 2,1,½,¼,⅛...
2. 3,-12,48,-192...
3. ½,¼,⅙,⅛...
4. -8, -2, -½, -⅛...
5. 1, -1, 1, -1...
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Answer:
1.geometric
2. geometric
3. arithmetic
4. neither
5. geometric
Step-by-step explanation:
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