**Toolbox:**

- If a*b=b*a then * is commutative
- If (a*b)*c=a*(b*c) then * is associative

$a^3+b^3=b^3+a^3$ but $(a^3+b^3)^3+c^3\neq\:a^3+(b^3+c^3)^3$

$\Rightarrow\:$ * is commutative but not associative.

Ask Question

Tag:MathPhyChemBioOther

Take Test

...