Предмет: Алгебра, автор: книжка

Ребят, проверьте пожалуйста мое задание, во вложении, у меня сомнения по поводу ответа.

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Автор ответа: artalex74

Почтивсе всерно, только в последней дроби $<var>lim \frac{1+\frac{1}{x}}{1+\sqrt{1-\frac{1}{x}-\frac{1}{x^2}}}=\frac{1}{2}</var>$

Автор ответа: Ellenochka

да, у меня тоже вышла 1/2

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