1 votes 1 votes closed Let * be define as x*y=x'+y. let z=x*y value of z*x is ... 1>x'+y 2>x 3>0 4>1 Digital Logic gate1997 digital-logic propositional-logic + – air1ankit asked Sep 1, 2017 closed Sep 1, 2017 by LeenSharma air1ankit 504 views comment Share Follow See all 0 reply Please log in or register to add a comment.