Homework 3
Due: Friday, September 9

  1. [TW]2.13.2, 2.13.3.
  2. [TW]2.13.6.
  3. [TW]3.13.7.

  4. \begin{alphabetize}
\item Find integers $x$, $y$\ and $z$\ that satisfy the equa...
...ibe a general method to solve such an equation, when possible.
\end{alphabetize}


  5. \begin{alphabetize}
\item Prove that, for any number $c$, the equation
\begin{eq...
...h that $6x \equiv 6y \bmod 30$\ but $x\not \equiv y \bmod 30$.
\end{alphabetize}



Jeff Achter