1.Which one of the following Boolean expressions is a tautology?a.(p∨q)∧(¬p∨¬q)(p \lor q) \land (\neg p \lor \neg q)(p∨q)∧(¬p∨¬q)b.(p∧q)∨(p∧¬q)(p \land q) \lor (p \land \neg q)(p∧q)∨(p∧¬q)c.(p∨q)∧(p∨¬q)(p \lor q) \land (p \lor \neg q)(p∨q)∧(p∨¬q)d.(p∨q)∨(¬p∨¬q)(p \lor q) \lor (\neg p \lor \neg q)(p∨q)∨(¬p∨¬q)Login to continueOnly logged in users canattempt or see the solution.
