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way51
@way51
October 2021
1
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Решите, заранее спасибо))
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mmb1
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√(8 - √28) - √(8 + √28) = √(7 - 2√7 + 1) - √(7 + 2√7 + 1) = √(√7-1)² - √(√7+1)² = √7 - 1 - √7 - 1 = -2
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Verified answer
√(8 - √28) - √(8 + √28) = √(7 - 2√7 + 1) - √(7 + 2√7 + 1) = √(√7-1)² - √(√7+1)² = √7 - 1 - √7 - 1 = -2