Updated

exercise-02-plik.tex

@@ -6,7 +6,7 @@
 \begin{document}
 
 \begin{enumerate}
-
+\theoremstyle{definition}
 \newtheorem{thm}{Theorem}
 
 \newtheorem{df}{Definition}
@@ -24,7 +24,7 @@ f(x)=\sum_{\substack{n=0\\ k=2}}^\infty a_n^k
 \]
 \item Properly typeset the following theorem
 \begin{thm}[Cauchy--Hadamard]
- \emph{The radius of convergence $R$ of the power series} 
+The radius of convergence $R$ of the power series
 \[
 \sum_{n=0}^\infty a_n(z-z_0)^n,\ \ \ \ \ |z-z_0|<R
 \]