Question

Given $A=\{a,b,c,d,e,f,g,h\}$ and $B=\{a,e,i,o,u\}$

then $B-A$ is equal to

• A. $\{i,o,u\}$
• B. $\{a,b,c\}$
• C. $\{c,d,e\}$
• D. $\{a,,i,z\}$

Answer 1

The correct option is A $\{i,o,u\}$

The sets $A=\{a,b,c,d,e,f,g,h\}$ and $B=\{a,e,i,o,u\},$ in order to find the difference between the two sets as $B-A,$ we begin by writing all the elements of $B$ and then take away every element of $A$ which is also the element of $B$. Since $B$ share the elements $a,e$ with $A$, so $B-A=\{i,o,u\}.$

$B-A=\{i,o,u\}.$