Question 22
The operation “$\otimes$” satisfies:
(i) For all $x$ and $y$, $x\otimes y=(x-1)\otimes(y-1)+x+y$;
(ii) For all $x$, $x\otimes1=1$.
Find the value of $(3\otimes3)\otimes3$.
(i) For all $x$ and $y$, $x\otimes y=(x-1)\otimes(y-1)+x+y$;
(ii) For all $x$, $x\otimes1=1$.
Find the value of $(3\otimes3)\otimes3$.