Решите систему уравнений:[tex]\left \{ {{x-y=2 \atop {x^2-y^2=8}} \right.[/tex]. Created by SchoolMeat. algebra-ru

tex]...

July 2022 1 1 Report

Решите систему уравнений:
[tex]\left \{ {{x-y=2 \atop {x^2-y^2=8}} \right.[/tex]

Answers & Comments

AntVa

$\left \{ {{x-y=2 \atop {x^2-y^2=8}} \right. \Leftrightarrow \left \{ {{x-y=2 \atop {(x-y)(x+y)=8}} \right. \Leftrightarrow 2(x+y)=8; \Leftrightarrow x+y=4;$

$\left \{ {{x=2+y \atop {x+y=4}} \right. \Leftrightarrow 2+y+y=4; \Leftrightarrow y=1; \Leftrightarrow x=3;$

3 votes Thanks 2

5 gt 1 x 4 0 proshu obyasnit kak v pervom neravenstve poluchaetsya 3 2x gt

Answer

SchoolMeat November 2021 | 0 Ответы

osnovanie ravnobedrennogo treugolnika ravno 18 sma bokovaya storona ravna 15 smc89400e2fa36a4e0573c978fd0ec699a 51908

Answer

рекомендуемые вопросы

rarrrrrrrr August 2022 | 0 Ответы

o chem dolzhny pozabotitsya v pervuyu ochered vzroslye pri organizacionnom vyvoze n

danilarsentev August 2022 | 0 Ответы

est dva stanka na kotoryh vypuskayut odinakovye zapchasti odin proizvodit a zapcha

myachina8 August 2022 | 0 Ответы

najti po grafiku otnoshenie v3v1 v otvetah napisano 9 no nuzhno reshenie

ydpmn7cn6w August 2022 | 0 Ответы

Choose the correct preposition: 1.I am fond (out,of,from) literature. 2.where ar...

millermilena658 August 2022 | 0 Ответы

opredelite kak sozdavalas i kto sozdaval arabskoe gosudarstvo v kracii

MrZooM222 August 2022 | 0 Ответы

ch ajtmanov v rasskaze krasnoe yabloko ispolzuet metod rasskaz v rasskaze opi

timobila47 August 2022 | 0 Ответы

kakovo bylo naznachenie kazhdoj iz chastej vizantijskogo hrama pomogite pozhalujsta

ivanyyaremkiv August 2022 | 0 Ответы

moment. 6....

pozhalujsta8b98a56c0152a07b8f4cbcd89aa2f01e 97513

sarvinozwakirjanova August 2022 | 0 Ответы

pomogite pozhalusto pzha519d7eb8246a08ab0df06cc59e9dedb 6631

Answers & Comments

5 gt 1 x 4 0 proshu obyasnit kak v pervom neravenstve poluchaetsya 3 2x gt

osnovanie ravnobedrennogo treugolnika ravno 18 sma bokovaya storona ravna 15 smc89400e2fa36a4e0573c978fd0ec699a 51908

рекомендуемые вопросы

Helpful Links

Helpful Social