Question: Suppose we have a sequence x1(n) with a corresponding Z-transform with ROC (Region of Convergence) inside a circle. If we create a new sequence according

Suppose we have a sequence x1(n) with a corresponding Z-transform with ROC (Region of Convergence) inside a circle. If we create a new sequence according to x2(n) = x1(-n), what will the ROC for the corresponding Z- transform of the new sequence be?

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