Question 17
The operation $\otimes$ is defined for all nonzero numbers by $$
a\otimes b =\dfrac{a^{2}}{b}.
$$
Determine $$
[(1\otimes 2)\otimes 3]-[1\otimes (2\otimes 3)].
$$
a\otimes b =\dfrac{a^{2}}{b}.
$$
Determine $$
[(1\otimes 2)\otimes 3]-[1\otimes (2\otimes 3)].
$$