Question: For the AR ( 2 ) process $Y _ { t } = omega _ { t } - 0 . 6 Y _

For the AR $(2)$ process $Y $_{$ t $} = \$ omega $_{$ t $} - 0.6$ Y $_{$ t $- 1} + 0.16$ Y $_{$ t $- 2}$ $ discuss stationarity and causality. Hence express it as a linear process

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