- #1
lLovePhysics
- 169
- 0
I don't get why: [tex] \frac{d}{dx}[|u|]=\frac{u}{|u|}(u') [/tex]
Can someone give me an example to which this applies? Can you use any function in place of "u"?
Can someone give me an example to which this applies? Can you use any function in place of "u"?