## page was renamed from SageDays/Kreyszig-2.1-5-S
 ||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
f = e**(-x)
doublef = diff(f,x,2)
func = (1)*e**x+(3)*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