A binary operation `**` on `QQ`, the set of rational numbers, is defined by `a**b=(a-b)/(3)` fo rall
Channel: Doubtnut
Date: 09/05/2020

A binary operation `**` on `QQ`, the set of rational numbers, is defined by `a**b=(a-b)/(3)` fo rall `a,binQQ`. Show that the binary opearation `** ` is neither commutative nor associative on `QQ`.