Mathematical Logic And Boolean Algebra Question 108
Question: Let B={p, q, r, …..} and let two binary operations be denoted by ?Ú’ and ?Ù? or ?+? or ?.?, then
Options:
A) $ x\wedge (x\vee y)=x $
B) $ x\wedge (x\vee y)=y $
C) $ x\wedge (x\vee y)=1 $
D) None of these
Show Answer
Answer:
Correct Answer: A
Solution:
$ x\wedge (x\vee y)=x\wedge x\vee x\wedge y=x\vee x\wedge y $ $ =x\wedge 1\vee x\wedge y=x\wedge (1\vee y)=x\wedge 1=x. $
BETA
