Maths-
General
Easy

Question

Letblank R equals left curly bracket left parenthesis x comma y right parenthesis colon x comma y element of A semicolon x plus y equals 5 right curly bracket text end textwhere A = {1,2,3,4,5} then

  1. R is not reflexive, symmetric and not transitive    
  2. R is an equivalence relation    
  3. R is reflexive, symmetric but not transitive    
  4. R is not reflexive, not symmetric but transitive    

The correct answer is: R is not reflexive, symmetric and not transitive


    R equals left curly bracket left parenthesis 14 right parenthesis comma left parenthesis 41 right parenthesis comma left parenthesis 23 right parenthesis comma left parenthesis 32 right parenthesis right curly bracket

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