Question

A binary operation defined as a*b=|a-b| is the binary operation associative?

Answer 1

@eliassaab can ya help me?

Answer 2

why don't you check? :)
is a*(b*c) always equal to (a*b)*c ?

Answer 3

uhh u hav ta prove it in exam okay?
u cant tell the teacher why dontucheck it maam @PeterPan

Answer 4

2*(-3*4)= 5
(2*(-3))*4=1
What can you conclude?

Answer 5

yeah i get it

Answer 6

so it has to be shown with an example?

Answer 7

okay thanks

Answer 8

yw