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Лана765
@Лана765
July 2022
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X^2+11x-21(решить по теореме Виета)
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mmb1
Verified answer
X^2+11x-21=0
D=11*11+4*21=205
x12=(-11+-
√205
)/2
x=(-11+
√205)/2
x=(-11-√205)/2
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Answers & Comments
Verified answer
X^2+11x-21=0D=11*11+4*21=205
x12=(-11+-√205)/2
x=(-11+√205)/2
x=(-11-√205)/2