## page was renamed from SageDays/Kreyszig-2.1-2
 ||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
# page 66 EXAMPLE 2
reset()
def solve(y):
    return diff(diff(y)) + y
print solve(1 + cos(x))
print solve(1 + sin(x))
print solve(2*(1 + cos(x)))
print solve((1 + cos(x))+(1 + sin(x)))
}}}

/* code_ends */

 * '''Solution by''': 
   * <T R Shyam Sundar>, <Student>, <CMI>
   * <Sonam Kumar>, <Student>, <CMI>
   * <Vignesh Ganapathiraman>, <Student> <CMI>
   * <Pooja Kalra>, <Student>, <Malwa Institute of Technology>