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dimasikkas39
@dimasikkas39
July 2022
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5x в квадрате - 7 x + 2 =0
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rubilovalex
D=(-7)^2-4*5*2=49-40=9; x1=(7-3)/10, x2=(7+3)/10. x1=0,4; x2=1. Ответ: x1=0,4; x2=1.
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nikitakolpak78
5x^2-7x+2=0
D=49-4*5*2
D=9
X1=(7+3)/10=1
X2=(7-3)/10=0,4.
Ответ:1 и 0,4.
"^2"-обозначение квадратного корня.
1 votes
Thanks 1
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Answers & Comments
D=49-4*5*2
D=9
X1=(7+3)/10=1
X2=(7-3)/10=0,4.
Ответ:1 и 0,4.
"^2"-обозначение квадратного корня.