is there any difference between these Differential $dx^2$ and $(dx)^2$!?
what is relation between them?
closed as off topic by Carl Brannen, Kostya, Qmechanic♦, David Zaslavsky♦ Jul 8 '12 at 16:04
Questions on Physics Stack Exchange are expected to relate to physics within the scope defined in the FAQ. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about closed questions here.