Question

If R is the relation ‘is less than’ from A = {2, 4, 6, 8, 10} and B = {2, 6, 10}, write down the Cartesian product corresponding to R.

Answer 1

Answer:

R= { ( a , b ) € A × B ; a < b}

therefore R = { ( 2 , 6 ) , ( 2 , 10 ) , ( 4 , 6 ) , ( 4 , 10 ) , ( 6 , 10 ) , ( 8 , 10 ) }