Сократите дробь x-y/x1/2+y1/2

Question

Сократите дробь x-y/x1/2+y1/2

Answer 1

Решение
(х∧(1/2))∧2 - (у∧(1/2)) / (х∧(1/2) - у∧(1/2)
 (х∧(1/2) + у∧(1/2))*(х∧(1/2) - у∧(1/2))  /  (х∧(1/2) - у∧(1/2) = 
(после сокращения на  (х∧(1/2) - у∧(1/2) получим 
=  (х∧(1/2) + у∧(1/2)