13. [PEN A14 A71]

**A14.** Let be an integer. Show that does not divide .

**A71.** Determine all integers such that is an integer.

Here is the official solution file: pen13.pdf

You can also discuss the problems: A14 & A71

Advertisements

November 28, 2008 by compactorange

13. [PEN A14 A71]

**A14.** Let be an integer. Show that does not divide .

**A71.** Determine all integers such that is an integer.

Here is the official solution file: pen13.pdf

You can also discuss the problems: A14 & A71

Advertisements

%d bloggers like this:

on December 13, 2008 at 2:42 am |jordanvery clear thank to the author!