Doing math in math class:
"huh? You can't just assume 2+2=4. You have to show that it's true, first!"
Doing math in Physics class:
"You should have assumed that f(x) has the following form, to show that [f(x),Af(x)] is equal to [Af(x),f(x)]"
"huh? You can't just assume 2+2=4. You have to show that it's true, first!"
Doing math in Physics class:
"You should have assumed that f(x) has the following form, to show that [f(x),Af(x)] is equal to [Af(x),f(x)]"