JEE Main & Advanced JEE Main Paper (Held On 12 May 2012)

  • question_answer
    The logically equivalent preposition of \[p\Leftrightarrow q\]is     JEE Main Online Paper (Held On 12 May 2012)

    A) \[\left( p\Rightarrow q \right)\wedge \left( q\Rightarrow p \right)\]      

    B)                        \[p\wedge q\]

    C)                        \[\left( p\wedge q \right)\vee \left( q\Rightarrow p \right)\]     

    D)                        \[\left( p\wedge q \right)\Rightarrow \left( q\vee p \right)\]

    Correct Answer: A

    Solution :

                    \[\left( p\Rightarrow q \right)\wedge \left( q\Rightarrow p \right)\]means\[p\Leftrightarrow q\]


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