Electrodeposition is the deposition of a substance on an electrode by the action of electricity (especially by electrolysis). As a certain electric current passes though an electrolyte that contains ions of a substance, the ions begin to follow the current and adhere to the negatively charged cathode.
... characteristic is not 2. (In a field of characteristic 2, the element 2a is zero and it is impossible to divide by it.)
The symbol
<math>\pm \sqr ...