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Given:
Universal Set
U=3,4,6,7,8,9
Subset
B=3,7,8
What is the complement of Set B in Set U?

{3,7,8}

{3,4,6,7,8,9}

{3,4,7,8}

{4,6,9}

Given: $\newline$ Universal Set $\mathrm{U}=3,4,6,7,8,9$ $\newline$ Subset $B=3,7,8$ $\newline$ What is the complement of Set B in Set U? $\newline$ $\{3,7,8\}$ $\newline$ $\{3,4,6,7,8,9\}$ $\newline$ $\{3,4,7,8\}$ $\newline$ $\{4,6,9\}$

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Identify equivalent ratios

Full solution

Q. Given:

\newline

Universal Set

\mathrm{U}=3,4,6,7,8,9

\newline

Subset

B=3,7,8

\newline

What is the complement of Set B in Set U?

\newline

\{3,7,8\}

\newline

\{3,4,6,7,8,9\}

\newline

\{3,4,7,8\}

\newline

\{4,6,9\}

Identify Set $U$ : To find the complement of Set $B$ in Set $U$ , we need to list the elements in Set $U$ that are not in Set $B$ .
Identify Set B: Set $U$ contains the elements \{ $3,4,6,7,8,9\}. Set$ B $contains the elements \{$ $3$ , $7$ , $8$ \}.
Find Elements in Set U: The elements in Set U that are not in Set B are $\{4,6,9\}$ .
Calculate Complement: So, the complement of Set $B$ in Set $U$ is \{ $4$ , $6$ , $9$ \}.

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