Let $U = \{ 1,2,3 , \ldots \}$
$\begin{array} { l }
A = \{ 9,18,27,36 , \ldots \} \
B = \{ 27,54,81,108 , \ldots \} .
\end{array}$
Find $A \cup B$.
A) $A \cup B = B$
B) $A \cup B = A$
C) $A \cup B = U$
D) $A \cup B = \varnothing$

Question

Let $U = \{ 1,2,3 , \ldots \}$
$\begin{array} { l } 
A = \{ 9,18,27,36 , \ldots \} \
B = \{ 27,54,81,108 , \ldots \} .
\end{array}$
Find $A \cup B$.
A) $A \cup B = B$
B) $A \cup B = A$
C) $A \cup B = U$
D) $A \cup B = \varnothing$

Quizplus · Accepted Answer

The Answer of Let $U = \{ 1,2,3 , \ldots \}$
$\begin{array} { l } 
A = \{ 9,18,27,36 , \ldots \} \
B = \{ 27,54,81,108 , \ldots \} .
\end{array}$
Find $A \cup B$.
A) $A \cup B = B$
B) $A \cup B = A$
C) $A \cup B = U$
D) $A \cup B = \varnothing$

Let U={1,2,3,…}U = \{ 1,2,3 , \ldots \}U={1,2,3,…} A={9,18,27,36,…}B={27,54,81,108,…}.\begin{array} { l } A = \{ 9,18,27,36 , \ldots \} \\B = \{ 27,54,81,108 , \ldots \} .\end{array}A={9,18,27,36,…}B={27,54,81,108,…}.​

Let $U = \{ 1,2,3 , \ldots \}$ $\begin{array} { l } A = \{ 9,18,27,36 , \ldots \} \\B = \{ 27,54,81,108 , \ldots \} .\end{array}$