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2. Consider the following execution behavior of processes P1, P2, P3, and P4. P1 Holds R1 Requests R2 Requests R4 P2 P3 Holds R2

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2. Consider the following execution behavior of processes P1, P2, P3, and P4. P1 Holds R1 Requests R2 Requests R4 P2 P3 Holds R2 Holds R3 Requests R3 Requests R4 P4 Holds R4 Requests R3 Draw the resource allocation graph for this execution and find whether there is deadlock or not.

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