Предмет: Алгебра, автор: Аноним

5кореньx-5:кореньx=24

Ответы

Автор ответа: irkarom

$5sqrt x-frac{5}{sqrt{x}}=24\ sqrt x=y\ 5y-frac{5}{y}=24 |*y\ 5y^2-24y-5=0\ y=24^2-4*5*(-5)=576+100=676\ y_1=5\ y_2=-0.2\ \ sqrt x=5\ x=5^2\ x=25\ \ sqrt x=-0.2$

нет корней ведь √х≥0.

Ответ: 25

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