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Math Help - Composition of relations

  1. #1
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    Composition of relations

    i want to solve this:

    Find the composition of the relations
    R1= {(1,2),(1,6),(2,4),(3,4),(3,6),(3,8)}
    & R2= {(2,u),(4,s),(4,t),(6,t),(8,u)}

    Azhar
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  2. #2
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    <br />
R_2  \circ R_1  = \left\{ {\left( {1,u} \right),\left( {1,t} \right),\left( {2,s} \right),\left( {2,t} \right),\left( {3,t} \right),\left( {3,s} \right),\left( {3,u} \right)} \right\}
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