for every fraction a,b a*b=3ab what is the identity element for *
Follow Math Help Forum on Facebook and Google+
Originally Posted by slntennis1 for every fraction a,b a*b=3ab what is the identity element for * What does it mean to be an identitiy. Here is a hint let $\displaystyle e$ be the identity. Then $\displaystyle a*e=a$ and $\displaystyle e*a=a$ for all $\displaystyle a$. Write this out and see what happens.
View Tag Cloud