Jika D = {1, 1/2, 1/3, 1/4, ….} dan E = {1, 2, 3, 4, …}, tentukan E – D

Jika D = {1, 1/2, 1/3, 1/4, ….} dan E = {1, 2, 3, 4, …}, tentukan E – D

Penyelesaian

E – D = {1, 2, 3, 4, …} – {1, 1/2, 1/3, 1/4, ….}

= {2, 3, 4, ….}