tolong dijawab no. 2!!

S = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }
A = { 0, 1, 2, 3, 4, 5 }
B = { 0, 1, 2, 3 }

a.
A' n B' = { 0, 1, 2, 3 }

b.
(A' n B') = { 4, 5, 6, 7, 8, 9, 10 }

Maaf kalau salah