{"result":{"text":"begin mathsize 14px style I equals integral subscript negative 2008 end subscript superscript 2008 fraction numerator f apostrophe left parenthesis negative x right parenthesis plus f apostrophe left parenthesis x right parenthesis over denominator left parenthesis 2008 right parenthesis to the power of negative x end exponent plus 1 end fraction d x end style"},"status":"ok"}