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Archy [21]
3 years ago
9

Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8, 10}, and C = {1, 2, 4, 5, 8, 9}. List the element

s of each set. (Enter your answers using roster notation. Enter EMPTY or ∅ for the empty set.)
(a) Ac ∩ (B ∩ C c)

(b) (A ∪ Bc) ∪ (B ∩ C c)

(c) (A ∪ B)c ∩ C c
Mathematics
1 answer:
podryga [215]3 years ago
5 0

Answer:

(a) {6,10}

(b) {1, 3, 5, 6, 7, 9, 10}

(c) ∅

Step-by-step explanation:

Given,

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

A = {1, 3, 5, 7, 9},

B = {2, 4, 6, 8, 10},

C = {1, 2, 4, 5, 8, 9},

(a) Since,

A^c =U -A= \{ 2, 4, 6, 8, 10\} ,

C^c = U - C= \{ 3, 6, 7, 10\},

B\cap C^c = \{6, 10\},

\implies A^c\cap (B\cap C^c)=\{6,10\}

(b)  

B^c= U-B=\{1, 3, 5, 7, 9\}

A\cup B^c= \{1, 3, 5, 7, 9\}

\implies (A\cup B^c)\cup (B\cap C^c)=\{1,3,5,6,7,9, 10\}

(c)

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

(A\cup B)^c=U-(A\cup B) = \phi

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