A) \[\sim (P\wedge \sim R)\leftrightarrow Q\]
B) \[\sim P\wedge (Q_{2}^{2}\sim R)\]
C) \[\sim (Q_{2}^{2}(P\wedge R))\]
D) \[\sim Q\leftrightarrow \sim P\wedge R\]
Correct Answer: C
Solution :
Suman is brilliant and dishonest is \[P\wedge \sim R\]Suman is brilliant and dishonest iff suman is rich is \[Q\leftrightarrow (P\wedge \sim R)\] Negative of statement is expressed as \[\sim (Q\leftrightarrow (P\wedge \sim R))\]
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