Question $10[2$ marks$]$

$x=$

ABC

$AB+C$

$AB+\frac{A}{b}ar(B)C$

$\frac{?}{\text{b}\text{a}\text{r}}\frac{A}{b}ar\frac{B}{b}ar(C)\frac{+}{b}ar\frac{A}{b}ar(B)C+\frac{A}{b}ar(B)C$

Non of the above