Предмет: Алгебра, автор: kallagov99

Решите уравнение 5x*x-10=0.Если корней несколько, найдите их произведение.

Ответы

Автор ответа: PopCop312

$5x^2-10=0\ x^2= frac{10}{5}\ x^2 = 2\ x= left {{ sqrt{2}} atop { -sqrt{2} }} right.\ -sqrt{2} * sqrt{2} =-2$

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