* Math.lyx : add few maxima examples to ch. 23.1.

lib/doc/Math.lyx

@@ -34196,6 +34196,28 @@ Maxima
 \end_inset
 
 
+\end_layout
+
+\begin_layout Itemize
+\begin_inset Formula $\int\left(\frac{1}{1+x^{3}}\right)dx=-\frac{\log\left(x^{2}-x+1\right)}{6}+\frac{\arctan\left(\frac{2\,x-1}{\sqrt{3}}\right)}{\sqrt{3}}+\frac{\log\left(x+1\right)}{3}$
+\end_inset
+
+
+\begin_inset Foot
+status open
+
+\begin_layout Plain Layout
+Note that one needs to use proper delimiter insets 
+\begin_inset Formula $\left(\right)$
+\end_inset
+
+ instead of simple '(' ')' characters.
+ 
+\end_layout
+
+\end_inset
+
+
 \end_layout
 
 \begin_layout Itemize
@@ -34214,6 +34236,24 @@ Maxima
 \end_inset
 
 
+\end_layout
+
+\begin_layout Standard
+One can also use standard commands known to CAS:
+\end_layout
+
+\begin_layout Itemize
+\begin_inset Formula $powerseries\left(-\log\left(5-x\right),x,1\right)=\sum_{{\it i_{1}}=0}^{\infty}{\frac{4^{-{\it i_{1}}-1}\,\left(x-1\right)^{{\it i_{1}}+1}}{{\it i_{1}}+1}}-\log\left(-1\right)$
+\end_inset
+
+
+\end_layout
+
+\begin_layout Itemize
+\begin_inset Formula $solve\left(x_{1}+y_{1}^{3}=y_{1}+x_{1}^{2},x_{1}\right)=\left[x_{1}=-\frac{\sqrt{4\,y_{1}^{3}-4\,y_{1}+1}-1}{2},x_{1}=\frac{\sqrt{4\,y_{1}^{3}-4\,y_{1}+1}+1}{2}\right]$
+\end_inset
+
+
 \end_layout
 
 \begin_layout Subsection