{"result":{"text":"table attributes columnalign left end attributes row cell E subscript i minus E subscript f end cell row cell equals Q squared over 2 open square brackets fraction numerator 1 over denominator 4 pi epsilon subscript 0 R end fraction minus fraction numerator 1 over denominator 2 cross times 4 pi epsilon subscript 0 R end fraction close square brackets equals fraction numerator 1 over denominator 4 pi epsilon subscript 0 end fraction. fraction numerator Q squared over denominator 2 R end fraction open square brackets 1 minus 1 half close square brackets end cell row cell equals fraction numerator 1 over denominator 4 pi epsilon subscript 0 end fraction. fraction numerator Q squared over denominator 4 R end fraction end cell end table"},"status":"ok"}