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Батырбек1
@Батырбек1
July 2022
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x+2/x=7 целых 2/7 решите пожалуйста
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AnonimusPro
Verified answer
X+(2/x)=51/7;
x^2+2=(51/7)*x;
7x^2-51x+14=0;
D=51^2-4*7*14=2209;
x1=51+47/14=7;
x2=4/14=2/7;
Ответ: x1=7; x2=2/7
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Thanks 9
AnonimusPro
ну вини не меня, а сервер)
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Answers & Comments
Verified answer
X+(2/x)=51/7;x^2+2=(51/7)*x;
7x^2-51x+14=0;
D=51^2-4*7*14=2209;
x1=51+47/14=7;
x2=4/14=2/7;
Ответ: x1=7; x2=2/7