
\magnification1200\footline{}
\centerline{\bf Math.~126 Quizz \#10}
\centerline{April 13, 1999}
\vskip10pt
\noindent

\def\frac#1#2{{{\textstyle#1}\over{\textstyle#2}}}
\def\isum#1{{\displaystyle{\sum_{n={#1}}^{\infty}}}\>}

\noindent
Compute the interval of convergence of each of the
following power series.
For each series, indicate all points at which the convergence is
conditional.

\itemitem{a.}$\isum0 \frac{x^{n}}{7^n}$
\itemitem{b.}$\isum0 \frac{x^{n}}{(n+1)7^n}$
\itemitem{c.}$\isum0 \frac{x^{2n}}{7^n}$


\end

Sent Thu Apr 8 13:24:02 EST 1999
