; TeX output 1997.12.22:2021yiNG cmbx121<(Problemsb#N cmbx12Exercise1a@ cmti12First35exerffciseExercise2aSeffcond35exercise(V2<(Solutions 1*XQ cmr12Firstsolution. 2*Secondsolution.1*;@ cmti12N cmbx12NG cmbx12XQ cmr12