Ответы и объяснения

2013-06-23T09:41:29+00:00

(((a^(6/4)-b^(6/4))- ab^(1/2)+a^(1/2)b)/ (a^(1/2)-b^(1/2)))^(1/2) *2/(a+b)^(1/2)=

(a (a^(1/2)-b^(1/2))+ b (a^(1/2)-b^(1/2)))/(a^(1/2)-b^(1/2)))^(1/2) *2/(a+b)^(1/2)=2