Let * be a binary operation on the set Q of all rational number given as a*b=`(2a-b)^(2)` for all
Channel: Doubtnut
Date: 2020-04-19

Let * be a binary operation on the set Q of all rational number given as a*b=`(2a-b)^(2)` for all a,b `in` Q find 3*5 and 5*3 Is 3*5=5*3?