кто нибудь срочно помогите решить этот пример. Created by Delson3. algebra-ru

{ 24-3x ≥0 8+(5-2x)²{22-9x≤43-2x1) 24-3x ≥0 8+(5-2x)²{8+(5-2x)²≠0{(24-3x)(8+(5-2x)²≥0)8+(5-2x)²≠08+(5-2x)²=0(5-2x)²=-8Данное уравнение не имеет решений.Значит 8+(5-2х)²≠0 выполняется при любом х.(24-3х)(8+(5-2х)²)≥08+(5-2х)²=8+(-(2х-5))²=8+(2х-5)²Выражение 8+(2х-5)² всегда >0 при любом х.24-3х≥0-3х≥-24х≤82) 22-9х≤43-2х-9х+2х≤43-22-7х≤21х≥-3{x≤8{x≥-3\\\\\\\\\\\\\\\\\\\\\\\\--------- -3 ----------- 8 ------------- \\\\\\\\\\\\\\\\\\\\\\\\\\\\\-3≤x≤8 или x∈[-3; 8] Реклама Реклама Новые вопросы в Алгебра ПРОШУ НЕ СПАМИТЬ... И ПОЖАЛУЙСТААААА БЫСТРЕЕЕЕ Выполните умножение 1) a³- a²/y⁵+y³· y²+1/a²·a= 2)xy· (x²+y²/2xy-1) при x= -4, y= -3 При яких значеннях змінної х виконується рівняння 19-/3х+5/=2? Поможіть будь ласка решите первый вариант с первого по пятый номер, срочно надо!!! ПОЖАЛУЙСТААААА БЫСТРЕЕЕЕ Выполните умножение 1) a³- a²/y⁵+y³· y²+1/a²·a= 2)xy· (x²+y²/2xy-1) при x= -4, y= -3 помоги пожалуйста решить помоги пожалуйста решить помоги пожалуйста решить возведите степень в дробь (203-206) (2/3)² (3/a)² (-m/11)² (-13/n)² (d/2)³ (-4/c)³ (a/2b)⁴ (3d/5c)⁴ (2³/3²)⁷ (5²/7⁴)³ помогите!!! Даю 40 балов! помоги пожалуйста решить срочно Предыдущий Следующий Реклама - это не так уж плохо Реклама - это не так уж плохо Понимаем - вы пришли сюда не за рекламой. Но она помогает нам предоставлять бесплатный доступ к Знаниям. Пожалуйста, внесите наш сайт в список разрешенных. ОК, разблокирую рекламу на Знаниях! Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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кто нибудь срочно помогите решить этот пример...

Delson3 @Delson3

October 2021 1 19 Report

кто нибудь срочно помогите решить этот пример

Answers & Comments

m11m { 24-3x ≥0
8+(5-2x)²
{22-9x≤43-2x

1) 24-3x ≥0
8+(5-2x)²
{8+(5-2x)²≠0
{(24-3x)(8+(5-2x)²≥0)

8+(5-2x)²≠0
8+(5-2x)²=0
(5-2x)²=-8
Данное уравнение не имеет решений.
Значит 8+(5-2х)²≠0 выполняется при любом х.

(24-3х)(8+(5-2х)²)≥0

8+(5-2х)²=8+(-(2х-5))²=8+(2х-5)²
Выражение 8+(2х-5)² всегда >0 при любом х.

24-3х≥0
-3х≥-24
х≤8

2) 22-9х≤43-2х
-9х+2х≤43-22
-7х≤21
х≥-3

{x≤8
{x≥-3
\\\\\\\\\\\\\\\\\\\\\\\\
--------- -3 ----------- 8 -------------
\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
-3≤x≤8 или x∈[-3; 8]