- #1
TSC
- 39
- 1
[tex]\oint {d{\bf{R}} \times {\bf{A}}} = \mathop{{\int\!\!\!\!\!\int}\mkern-21mu \bigcirc}
{\left( {d{\bf{S}} \times \nabla } \right) \times {\bf{A}}} [/tex]
{\left( {d{\bf{S}} \times \nabla } \right) \times {\bf{A}}} [/tex]