Репетитор по математике. Алгебра. М. Л. Фартушняк
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СКАЧАТЬ с должной серьёзностью.

      Итак, равенство, содержащее переменную, называется уравнением. Корни уравнения – значение переменных, обращающие уравнение в верное равенство.

      Уравнение может иметь один, два, три и т.д корня, бесчисленное множество корней или не иметь их вовсе.

      Упомянутое выше уравнение имеет один корень.

      Уравнение (6-x) (12-x) (3+x) = 0 имеет три корня: 6, 12, -3. Действительно, каждое из этих чисел обращает в нуль один из множителей произведения (6-x) (12-x) (3+x) и само произведение соответственно.

      Конец ознакомительного фрагмента.

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