{"result":{"text":"begin mathsize 14px style rightwards double arrow space 2 I space rightwards double arrow 8 pi space integral subscript 0 superscript pi over 2 end superscript fraction numerator cos to the power of 2 n end exponent x over denominator sin to the power of 2 n end exponent x plus cos to the power of 2 n end exponent x end fraction d x end style"},"status":"ok"}