-#LyX 2.0.0svn created this file. For more info see http://www.lyx.org/
-\lyxformat 404
+#LyX 2.0 created this file. For more info see http://www.lyx.org/
+\lyxformat 413
\begin_document
\begin_header
\textclass book
\use_default_options false
\maintain_unincluded_children false
\language galician
+\language_package default
\inputencoding auto
\fontencoding global
\font_roman default
\font_sans default
\font_typewriter default
\font_default_family default
-\use_xetex false
+\use_non_tex_fonts false
\font_sc false
\font_osf false
\font_sf_scale 100
\tracking_changes false
\output_changes false
\html_math_output 0
+\html_css_as_file 0
\html_be_strict false
\end_header
\end_inset
:
-\begin_inset Formula \[
+\begin_inset Formula
+\[
f(x)=\left\{ \begin{array}{cc}
\log_{8}x & x>0\\
0 & x=0\\
\sum_{i=1}^{5}\alpha_{i}+\sqrt{-\frac{1}{x}} & x<0
-\end{array}\right.\]
+\end{array}\right.
+\]
\end_inset