Question

18 Solve : (cos x + e x y)dx + (e x + e y z)dy + e ydz = 0.​

Answer 1

The general solution is: e^(e^y + C)(cos x + e^xy) + e^(e^y + C)yz = -K

Or, rearranging terms: e^xye^(e^y) + ye^(e^y)z = -cos x - K e^(-e^y)