If U = {a, b, c, d, e, f},A = {a, b, c},B = { | vedclass

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(D) First,find the union of sets $A$ and $B$:$A \cup B = \{a, b, c\} \cup \{c, d, e, f\} = \{a, b, c, d, e, f\}$Next,find the union of the result with

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$U$

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(D) First,find the union of sets $A$ and $B$:$A \cup B = \{a, b, c\} \cup \{c, d, e, f\} = \{a, b, c, d, e, f\}$Next,find the union of the result with set $C$:$(A \cup B) \cup C = \{a, b, c, d, e, f\} \cup \{c, d, e\}$Combining all unique elements from both sets,we get:$(A \cup B) \cup C = \{a, b, c, d, e, f\}$Since this set is equal to the universal set $U$,the final answer is $U$.

If $U = \{a, b, c, d, e, f\}$,$A = \{a, b, c\}$,$B = \{c, d, e, f\}$,and $C = \{c, d, e\}$,find $(A \cup B) \cup C$.

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