This is the symbol for a differential. It represents an infinitesimally small (infinitely close to zero) change in whatever variable it is with respect to.
This is the symbol for a differential. It represents an infinitesimally small (infinitely close to zero) change in whatever variable it is with respect to. For example, \(d \htmlClass{sdt-0000000003}{x}\) would mean some infinitely small change with respect to \( \htmlClass{sdt-0000000003}{x} \).
The symbol \(d\) represents a differntial differential, meaning an infinitesimally small (infinitely close to zero) change in whatever variable it is with respect to. For example, \(d \htmlClass{sdt-0000000003}{x}\) would mean some infinitely small change with respect to \( \htmlClass{sdt-0000000003}{x} \).