In the combination of the following gates the output Y can be written in terms of inputs A and B as
In the combination of the following gates the output Y can be written in terms of inputs A and B as

1. \(\overline{A\cdot B}\)
2. \(\overline{A\cdot B}+A\cdot B\)
3. \(A\cdot\overline{B}+\overline{A}\cdot B\)
4. \(\overline{A+B}\)