Which of the following is equivalent to ¬(P∧Q)\neg(P \land Q)¬(P∧Q)?
¬(P∨Q)\neg(P \lor Q)¬(P∨Q)
¬P∧¬Q\neg P \land \neg Q¬P∧¬Q
¬P∨¬Q\neg P \lor \neg Q¬P∨¬Q
P∨QP \lor QP∨Q