Unknown macro: {latex}
\large
$$
b = {{{\raise0.7ex\hbox{$Q$} !\mathord{\left/
{\vphantom {Q {v_
Unknown macro: {max} }}}\right.\kern-\nulldelimiterspace}
!\lower0.7ex\hbox{${v_
!\lower0.7ex\hbox{${v_
}$}}} \over w}
$$