is an integrating factor for the inexact differential df = -
dx +
dy +
dz.">
Hello
Please verify captcha to continue browsing ScieMce.com
![](\"https://sciemce.com/files/4/ppg__10611192155__f1q194g2.jpg\")
dx + ![](\"https://sciemce.com/files/4/ppg__10611192155__f1q194g3.jpg\")
dy + ![](\"https://sciemce.com/files/4/ppg__10611192155__f1q194g4.jpg\")
dz.">