{"result":{"text":"table attributes columnalign left end attributes row cell integral from negative b to b of f open parentheses x close parentheses d x equals integral from 0 to b of open square brackets f open parentheses x close parentheses plus f open parentheses negative x close parentheses close square brackets d x end cell row cell rightwards double arrow integral from negative pi to pi of fraction numerator cos squared x over denominator 1 plus a to the power of x end fraction d x equals integral from 0 to pi of open parentheses fraction numerator cos squared x over denominator 1 plus a to the power of x end fraction plus fraction numerator cos squared x over denominator 1 plus a to the power of negative x end exponent end fraction close parentheses d x end cell row cell equals integral from 0 to pi of cos squared x d x equals 2 integral from 0 to pi over 2 of sin squared x d x equals 2.1 half. pi over 2 equals pi over 2 end cell end table"},"status":"ok"}