Question: 1 2 . Let R 1 = { ( 1 , 2 ) , ( 2 , 3 ) , ( 3 , 4 )

12.Let R1={(1,2),(2,3),(3,4)} and R2={(1,1),(1,2),(2,1),(2,2),(2,3),(3,1),(3,2),(3,3),(3,4)} be relations from{1,2,3}to{1,2,3,4}. Find a)R1 R2 b)R1 R2 c)R2 R1

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