решить систему уравнений | х+2у=1| х^2-ху-2у^2=1. Created by studyKate. algebra-ru

решить систему уравнений | х+2у=1| х^2-ху-2у^2=1...

studyKate @studyKate

July 2022 1 15 Report

решить систему уравнений
| х+2у=1
| х^2-ху-2у^2=1

Answers & Comments

sangers1959

Verified answer

X+2y=1    x=1-2y
x²-xy-2y²=1
(1-2y)²-(1-2y)*y-2y²=1
1-4y+4y²-y+2y²-2y²-1=0
4y²-5y=0
y*(4y-5)=0
y₁=0    x₁=1
4y-5=0
y₂=1,25 x₂=-1,5
Ответ: x₁=1   y₁=0    x₂=-1,5    y₂=1,25.

2 votes Thanks 1

dan massiv celyh chisel najti summu elementov s chetnymi indeksami

Answer

studyKate August 2022 | 0 Ответы

9 kl sdelajte 1 testovyj nomer s resheniem

Answer

studyKate August 2022 | 0 Ответы

v zadannom odnomernom massive sostoyashem iz n celyh chislel podschitat kol vo nu

Answer

studyKate August 2022 | 0 Ответы

dan celochislennyj massiv razmerom n vyvesti vnachale vse soderzhashiesya v dannom m

Answer

studyKate October 2021 | 0 Ответы

h2 h1gt0

Answer

studyKate October 2021 | 0 Ответы

v treugolnike avs izvestno chto av5kornya iz 2 ugol v 30 gradusov ugol s

Answer

Answers & Comments

Verified answer

dan massiv celyh chisel najti summu elementov s chetnymi indeksami

9 kl sdelajte 1 testovyj nomer s resheniem

v zadannom odnomernom massive sostoyashem iz n celyh chislel podschitat kol vo nu

pomogite8f0ca23d97ddd44040522bff971c4207 10816

v avs izvestno chto cos ugla v 03 vs15 av12 najti dlinu storony as tk

v stroke simvolov zamenit vse bukvy a na b reshit s pomoshyu sostavleniya no

chem otlichaetsya fizicheskaya pamyat ot vnutrennej kompyutera

dan celochislennyj massiv razmerom n vyvesti vnachale vse soderzhashiesya v dannom m

h2 h1gt0

v treugolnike avs izvestno chto av5kornya iz 2 ugol v 30 gradusov ugol s

рекомендуемые вопросы

Helpful Links

Helpful Social