kill(all)$

load(ntrig)$ load(atrig1)$

van=facebook.com/LearningCalculus$

(sqrt(  -10*3^(3/2) -22 *   sqrt(61-10*3^(3/2))+182)-
 sqrt(61-10*3^(3/2))+11)/(4*sqrt(3)+7);

float(%);