12. Let R ={(1,2), (2,3), (3,4)) and R ={(1,1), (1,2), (2,1), (2,2), (2,3), (3,1), (3,2), (3,3),...

   

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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 U R₂ b) R₁ R₂ c) R₂ - R₁ 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 U R₂ b) R₁ R₂ c) R₂ - R₁

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