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Abasik168
@Abasik168
July 2022
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Решите пожалуйста))
Решите уравнение
2х^2-13х+21=0
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tchepelevarita
D=(-13)^2-4*2*21=1
x1=-(-13)-1/2*2=3
x2=-(-13)+1/2*2=3,5
2 votes
Thanks 3
ШереметИрина
На фото................................
3 votes
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Answers & Comments
x1=-(-13)-1/2*2=3
x2=-(-13)+1/2*2=3,5