Сократите пожалуйста.

Ответы:

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

— = — =

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

   a^(1/2) b^(1/2)

=

    a^(1/2)*b^(1/2)