Предмет: Алгебра, автор: Александр1240

Помогите пожалуйста решить!!!
2t^2-3t-5=0

Ответы

Автор ответа: ArturSłavianin
0
D=9-4*2*(-5)=49=7^2
x1=(3+7)/4=2.5
x2=(3-7)/4=-1
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