R and S are relations on set A = {1,2,3,4}, defined as     R = {(1,2},(1,3),(2,3),(2,4),(3,1)}     S = {(2,1},(3,1),(3,2),(4,2)}      Find ` S o R` , `R o S` , `R^-1` , `S^-1` , where ...

R and S are relations on set A = {1,2,3,4}, defined as

    R = {(1,2},(1,3),(2,3),(2,4),(3,1)}

    S = {(2,1},(3,1),(3,2),(4,2)}

    

Find ` S o R` , `R o S` , `R^-1` , `S^-1` , where  `o` means composition.

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