Find the dual of: (A' + 0) · (B' + 1) = A'

To get the dual, interchange $+$ with $\cdot$ and $0$ with $1$; the variables and their complements stay unchanged. Given: $(A' + 0) \cdot (B' + 1) = A'$ Dual: $(A' \cdot 1) + (B' \cdot 0) = A'$