\relax \@writefile{toc}{\contentsline {section}{\numberline {1}Brief answer and some common mistakes in section 2.5, problem 68}{1}{}\protected@file@percent } \@writefile{lof}{\contentsline {figure}{\numberline {1}{\ignorespaces Correct answer section 2.5, problem 68 (only minor mistake)}}{1}{}\protected@file@percent } \@writefile{lof}{\contentsline {figure}{\numberline {2}{\ignorespaces A common mistake of section 2.5, problem 68. One should at least state how to choose $\varepsilon $ when $f(c)<0$)}}{2}{}\protected@file@percent } \gdef \@abspage@last{2}