##
Hint for exercise 9 of Sec 2.3

Some sort of lexicographic order will do the job, but the "usual"
ordering of the variables, **i.e.,** x > y > z,
will not work.

So, we have to permute the ordering of the variables somehow.

Given that we want the remainder to be a polynomial in *x*
alone, which variable *has to be* last in our revised
ordering*??*

Comments and questions to:
`roberts@math.umn.edu`

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