The shell command<br />"/lrn-mdl-prod/build/71719/filter/tex/mimetex.linux" -e "/lrn-mdl-prod/moodledata/filter/tex/e5c2a1bcc3857581b31d0471b6061b7a.gif" -- '\Large  \begin{split}\Pr\{\text{even}\} &= \text{tr}\{\mathbf{A}_{\text{even}}\rho\} = \text{tr}\{(|00\rangle\langle00| + |11\rangle\langle11|)\rho\} \\                 &= \text{tr}\{|00\rangle\langle00|\rho\} + \text{tr}\{|11\rangle\langle11|\rho\} = \text{tr}\{\langle00|\rho|00\rangle\} + \text{tr}\{\langle11|\rho|11\rangle\} \\                 &= \langle00|\rho|00\rangle + \langle11|\rho|11\rangle,\end{split} '<br />returned status = 1<br />
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