{"result":{"text":"begin mathsize 14px style P open parentheses E subscript 1 divided by A close parentheses equals fraction numerator P open parentheses E subscript i close parentheses P open parentheses A divided by E subscript i close parentheses over denominator P open parentheses A close parentheses end fraction comma open parentheses i equals 1 comma 2 close parentheses end style"},"status":"ok"}