Question $8$

The Boolean function $F(x,y)=x^{\text{'}}{y}^{\text{'}}+x^{\text{'}}y+x{y}^{\text{'}}$ is equivalent to:

$=>,(xy{)}^{\text{'}}$

$,(x+y^{\text{'}}{)}^{\text{'}}$

$,y$

$,x$

explain why $($xy$)\text{'}$ is the correct answer please