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%%  An UIT Edition example
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%%  Example 10-10-2 on page 223.
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%%  Copyright (C) 2010 Herbert Voss
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%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
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%%  See http://www.latex-project.org/lppl.txt for details.
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\begin{document}
\[ (\frac{3}{4}) \{\frac{3}{4}\} \]

\begin{align*}
  & \left.
  \begin{aligned}
    r(x)=&\frac{a_{11}}{x-\lambda_1}+\frac{a_{12}}{(x-\lambda_1)^2}+\ldots+
     \frac{a_{1n_1}}{(x-\lambda_1)^{n_1}}+\ldots\\
  & +\frac{a_{r1}}{x-\lambda_r}+\frac{a_{r2}}{(x-\lambda_r)^2}+\ldots+
     \frac{a_{rn_r}}{(x-\lambda_r)^{n_r}}+
  \end{aligned} \}~\mathbb{R}\\
  & \left.
  \begin{aligned}
    \phantom{r(x)=}
  & +\frac{\alpha_{11}x+\beta_{11}}{x^2+A_1x+B_1}+\frac{\alpha_{12}x+
    \beta_{12}}{(x^2+A_1x+B_1)^2}+\ldots+\frac{\alpha_{1m_1}x+
    \beta_{1m_1}}{(x^2+A_1x+B_1)^{m_1}}+\ldots\\
  & +\frac{\alpha_{s1}x+\beta_{s1}}{x^2+A_sx+B_s}+\frac{\alpha_{s2}x+
     \beta_{s2}}{(x^2+A_sx+B_s)^2}+\ldots+
     \frac{\alpha_{sm_s}x+\beta_{sm_s}}{(x^2+A_sx+B_s)^{m_s}}+\ldots
  \end{aligned} \}~\mathbb{C}
\end{align*}
\end{document}