Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
#Kreyszig Problem set 2.9 Question 3
var('x')
y=function('y',x)
print desolve(diff(y,x,2)+3*diff(y,x)==28*cosh(4*x),[y,x])
Solution by:
<Belinda>, <D'Cunha>, <St.Francis Institute Of Technology>
<Your Name>, <Profession>, <Organization>