Explanation:
Yes, it is Arithmetic sequence
Because
1/2 - 1 = 0 - 1/2=-1/2-0= - 1/2
Common Difference d = - 1/2
Answer:
-1/2
1/2 - 1 = -1/2
0 - 1/2 = -1/2
-1/2 - 0 = -1/2
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