Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
y = function('y', x)
d = diff(y, x, 1)*x - y - 3*(x**4) * ((cos(y/x))**2)==0
show(desolve(d, y, contrib_ode=True))
'''Error: NotImplementedError: Unable to use initial condition for this equation (lie).'''
Solution by:
<Monica>, <student>, <SNIST>
