Tolong bantuan nya kakak kakak semua

Jawab:

D. {1, 2, 3, 4, 5, 9, 10}

Penjelasan dengan langkah-langkah:

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

A = {1, 2, 3, 4, 5}

B = {4, 5, 6, 7, 8}

Maka:

Bᶜ = {1, 2, 3, 9, 10}

A ∪ Bᶜ = {1, 2, 3, 4, 5} ∪ {1, 2, 3, 9, 10}

A ∪ Bᶜ = {1, 2, 3, 4, 5, 9, 10}