Question

ex 1 ,2,3,4 va rogg frmoss

Answer 1

5) A = {1,2,5,7,9} ; B = {1,3,6,8,9}

A∩B = {1,9}  ;  A∪B = {1,2,3,5,6,7,8,9}  ;  A-B = {2,5,7}