||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
x = var('x')

#y = function('y',x)

#diff(v,x) = diff(y,x) + 4

v = function('v', x)

DE = diff(v,x) - 4 - v^2

desolve(DE, [v,x])
}}}

/* code_ends */

 * '''Solution by''': 
  * ganesh, developer, space
  * bhanukiran, student, technical university of Delft
  * saransh, student, sobhit university