- #1

kathrynag

- 598

- 0

## Homework Statement

I need to determine if a*b=ab+1 is commutative and associative.

* is any arbitrary operation

## Homework Equations

## The Attempt at a Solution

a*b=ab+1 is commutative, but not associative.

I'm getting stuck in showing why.

b*a=ba+1

a*(b*c)=a(b+1)

?