(根号6+根号5)^2006(根号6-根号5)^2006=[(根号6+根号5)(根号6-根号5)]^2006=(6-5)^2006=1
(V6+V5)^2006(V6-V5)^2006 =[(V6+V5)(V6-V5)]^2006=1^2006=1
