Сократить................

Question

Сократить................

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Answer 1

1
(√a+√b)/[√(ab)(√b+√a)]=1/√(ab)
2
(√a-√b)(√a+√b)/[(√a+√b)]=(√a-√b)/
3
(∛4+∛a²)/(∛4+∛a²)(∛4-∛a²)=1/(∛4-∛a²)
4
(∛x²+∛(xy)+∛y²)/[(∛x-∛y)(∛x²+∛(xy)+∛y²)]=1/(∛x-∛y)