. Given the relation R1 from X = {1,2,3,4} to Y = {a,b,c} and R2 from Y = {a,b,c} and Z = {6,7,8} where R1 = {(1,a),(2,a),(2,b).(3,c).(4,a)} and R2 = {(a,6), (a,7), (a,8), (b,7), (b,8), (c,6), (c,8)} Use matrices to find the value R2 · R1. %3D

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