JEE Main 201910 Apr, Morning shiftMathematicsEasyMathematical Reasoning115× since 2008Which one of the following Boolean expressions is a tautology?AOption A. (p ∨\vee∨ q) ∧\wedge∧ (~ p ∨\vee∨ ~ q)BOption B. (p ∨\vee∨ q) ∨\vee∨ ( p ∨\vee∨ ~ q)COption C. (p ∧\wedge∧ q) ∨\vee∨ ( p ∧\wedge∧ ~ q)DOption D. (p ∨\vee∨ q) ∧\wedge∧ ( p ∨\vee∨ ~ q)CheckSkip · show solution