Решить систему уравнении{у - 3х = 1 x^{2} -2ху + у^{2}=9. Created by Ice14523987. algebra-ru

Решить систему уравнении{у - 3х = 1 x^{2} -2ху + у^{2}=9...

June 2022 1 10 Report

Решить систему уравнении
{у - 3х = 1
x^{2} -2ху + у^{2}=9

Answers & Comments

2407Alexa Y=(1+3x)
(x-y)^2=9

x-y=3 и х-у=-3

х-1-3х=3 х-1-3х=-3
х-3х=3+1 х-3х=-3+1
-2х=4 -2х=-2
х=4/-2 х=-2/-2
х=-2 х=1

у=(1+3х) у=(1+3х)
у=1+3*(-2) у=1+3*1
у=1-6 у=1+3
у=-5 у=4

Ответ : (-2;-5) и (1;4)

c...

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Answers & Comments

c...

kak izmenitsya elektricheskaya emkost ploskogo kondensatora esli ploshad plastinda8b6c31188496daa2b19de361fb137c 54042

gruz podveshannyj na nitke sovershaet kolebaniya mezhdu tochkami 1 i 3 v kakih polo

kak izmenitsya elektricheskaya emkost ploskogo kondensatora esli ploshad plastin

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