For reference, here's the missing transcript (with current git master):

(%i1) assume(a>0, b>0); (%o1) [a > 0, b > 0] (%i2) t1:integrate(exp(-a^2*x^2-b^2/x^2),x,0,inf); - 2 a b sqrt(%pi) %e (%o2) ------------------- 2 a (%i3) t2:integrate(exp(-a^2*x^2-b^2/x^2),x,-inf,0); - 2 a b sqrt(%pi) %e (%o3) ------------------- 2 a (%i4) t3:integrate(exp(-a^2*x^2-b^2/x^2),x,-inf,inf); 2 a b - 2 a b sqrt(%pi) %e sqrt(%pi) %e (%o4) ----------------- + ------------------- 2 a 2 a (%i5) print([t1,t2,t3]); - 2 a b - 2 a b sqrt(%pi) %e sqrt(%pi) %e [-------------------, -------------------, 2 a 2 a 2 a b - 2 a b sqrt(%pi) %e sqrt(%pi) %e ----------------- + -------------------] 2 a 2 a - 2 a b - 2 a b sqrt(%pi) %e sqrt(%pi) %e (%o5) [-------------------, -------------------, 2 a 2 a 2 a b - 2 a b sqrt(%pi) %e sqrt(%pi) %e ----------------- + -------------------] 2 a 2 a