Ответ

Автор - DarkenKnight

y = sqrt{x - 4} - 5 sqrt{4x - {x}^{3} } \ 0 = sqrt{x - 4} - 5 sqrt{4x - {x}^{3} } \ sqrt{x - 4}  = 5 sqrt{4x - {x}^{3} } \ x - 4 = 25(4x -  {x}^{3} ) \ 25 {x}^{3}  - 99x - 4 = 0  \

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