$8$

Multiple Choice $1$ point

Find a simplified Boolean expression for the this circuit, expressed as a sum of products.

$A^{\text{'}}{D}^{\text{'}}+B^{\text{'}}{C}^{\text{'}}{D}^{\text{'}}$

$AD+BCD$

$A{D}^{\text{'}}+B{C}^{\text{'}}{D}^{\text{'}}$

$A^{\text{'}}D+B^{\text{'}}C{D}^{\text{'}}$