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Sashafindme
@Sashafindme
June 2022
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булкаскапустой
Домножаем всю дробь на x^1/2+7^1/2(^1/2–корень из…)
(x^2-49)(x^1/2+7^1/2)/(x^1/2+7^1/2)(x^1/2-7^1/2)=(x^1/2+7^1/2)(x-7)(x+7)/x-7
Сокращаем x-7:
(x^1/2+7^1/2)(x+7)
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Answers & Comments
(x^2-49)(x^1/2+7^1/2)/(x^1/2+7^1/2)(x^1/2-7^1/2)=(x^1/2+7^1/2)(x-7)(x+7)/x-7
Сокращаем x-7:
(x^1/2+7^1/2)(x+7)