{"result":{"text":"begin mathsize 14px style table attributes columnalign left end attributes row cell f left parenthesis x right parenthesis equals fraction numerator x to the power of 9 minus 3 x to the power of 5 plus 7 x cubed minus x over denominator cos squared x end fraction plus sec squared x end cell row cell equals sec squared x open parentheses x to the power of 9 minus 3 x to the power of 5 plus 7 x cubed minus x close parentheses plus sec squared x end cell row cell rightwards double arrow integral from negative pi divided by 4 to pi divided by 4 of open square brackets f open parentheses x close parentheses close square brackets d x equals integral from negative pi divided by 4 to pi divided by 4 of sec squared x d x equals 2 integral from 0 to pi divided by 4 of sec squared x d x end cell row cell equals 2 open square brackets tan x close square brackets subscript 0 superscript pi divided by 4 end superscript equals 2 end cell end table end style"},"status":"ok"}