## page was renamed from SageDays/Kreyszig-2.1-1-S ||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ f = e**(-x) doublef = diff(f,x,2) func = (-3)*e**x+(2/5)*e**(-x) doublefunc = diff(func,x,2) doublefunc - func }}} /* code_ends */ * '''Solution by''': * Vignesh Ganapathiraman, Student, CMI * Pooja Kalra, Student, Malwa Institute of Technology * T R Shyam Sundar, Student, CMI * Sonam Kumar, Student, CMI