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Murakot
@Murakot
July 2022
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Квадратное уравнение. Решите пожалуйста через дискриминант, решение по теореме Виета буду удалять, спасибо.
Если на фото что-то не ясно, то вот х^2-4√7х+4=0.
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IrkaShevko
Verified answer
D = (4√7)² - 16 = 16*7 - 16 = 16*6; √D = 4√6
x1 = (4√7-4√6)/2 = 2(√7 - √6)
x2 = (4√7+4√6) = 2(√7 + √6)
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miron2077
Verified answer
!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Murakot
Спасибо большое)
miron2077
пожалуйста!!!!!!
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Answers & Comments
Verified answer
D = (4√7)² - 16 = 16*7 - 16 = 16*6; √D = 4√6x1 = (4√7-4√6)/2 = 2(√7 - √6)
x2 = (4√7+4√6) = 2(√7 + √6)
Verified answer
!!!!!!!!!!!!!!!!!!!!!!!!!!!!