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1. All the sequence are arithmetic sequence except: A. 1, 2, 3, 4, ... B. 2, 4, 6, 8, ... C. 3, 15, 27, 39, ... D. 4, 2, 1, 12,​

Sagot :

Step-by-step explanation:

Sequences with such patterns are called arithmetic sequences. In an arithmetic sequence, the difference between consecutive terms is always the same. For example, the sequence 3, 5, 7, 9 ... is arithmetic because the difference between consecutive terms is always two.

Step-by-step explanation:

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