$$\xi=\{1,2,\ldots,10\}.$$ $A$ is the set of odd numbers in $\xi$. $B$ is the set of multiples

Question

$$\xi=\{1,2,\ldots,10\}.$$ $A$ is the set of odd numbers in $\xi$. $B$ is the set of multiples of $4$ in $\xi$. List $A$ and $B$. Find $A\cap B$. State the relationship between $A$ and $B$.

Accepted Answer

(a) $A=\{1,3,5,7,9\},\ B=\{4,8\}$ (b) $\varnothing$ (c) Disjoint

Sets

Sets