Вопрос школьника по предмету Алгебра
помогите пожалуйста, забыла как решать
(√25 — √3)·(√25 + √3)
и объясните как решать
Ответ учителя по предмету Алгебра
Это разность квадратов — формула сокращенного умножение. Собирается так:
корень из 25 в квадрате (квадрат над корнем) — корень из трех в квадрате (квадрат также над корнем). получится: 25-3=22
т.к. квадрат «съедает корень»
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