#Kreyszig Pg.107 Problem set 2.9 Question 2
var('x')
y=function('y',x)
print desolve(diff(y,x,2)-y==2*exp(x)+6*exp(2*x),[y,x])

SageDays/Kreyszig-2.9-2 (last edited 2010-08-11 11:19:23 by S Micheal Ammal)