simplify



Hi All

Given:

assume(a>0)$
(2/sqrt(((sqrt(3)*a)/2+a/sqrt(2))^2+a^2/4)+
2/sqrt((a/sqrt(2)-(sqrt(3)*a)/2)^2+a^2/4)+
2^(3/2)/(sqrt(3)*a));

How to get simpler form of the above expression?
Regards
Leon