JEE Math Practice Question
The negation of the Boolean expression x $$ \leftrightarrow $$ y is equivalent to :
- A.$$\left( {x \wedge y} \right) \vee \left( { \sim x \wedge \sim y} \right)$$
- B.$$\left( { \sim x \wedge y} \right) \vee \left( { \sim x \wedge \sim y} \right)$$
- C.$$\left( {x \wedge y} \right) \wedge \left( { \sim x \vee \sim y} \right)$$
- D.$$\left( {x \wedge \sim y} \right) \vee \left( { \sim x \wedge y} \right)$$
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