Question: Let {X } an ARIMA process (2, 1,0) given by: (1 - 0.8B + 0.25B2) VXt = Zt {Z }~WN(0,1) 0

Let {X } an ARIMA process (2, 1,0) given by: (1

- 0.8B + 0.25B2) VXt = Zt {Z }~WN(0,1) 0

Let {X } an ARIMA process (2, 1,0) given by: (1 - 0.8B + 0.25B2) VXt = Zt {Z }~WN(0,1) 0

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