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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$\displaystyle R_2 \circ R_1 = \left\{ {\left( {1,u} \right),\left( {1,t} \right),\left( {2,s} \right),\left( {2,t} \right),\left( {3,t} \right),\left( {3,s} \right),\left( {3,u} \right)} \right\}$
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