Home
О нас
Products
Services
Регистрация
Войти
Поиск
ashen
@ashen
August 2022
1
51
Report
Решите неравенство с логарифмами:
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms of service
You must agree before submitting.
Send
Answers & Comments
yugolovin
Verified answer
Обозначим log_3 x=t;
(-8t-9)/(1-4t)≥t;
(8t+9)/(4t-1)-t≥0
;
(8t+9-4t^2+t)/(4t-1)≥0;
(4t^2-9t-9)/(4t-1)≤0;
(t-3)(4t+3)/(4t-1)≤0;
t∈(-∞;-3/4]∪(1/4;3].
1 случай. log_3 x≤ - 3/4; x∈(0; 3^(-3/4)]
2 случай 1/4< log_3 x≤3; x∈(3^(1/4);27]
Ответ: (0; 3^(-3/4)]∪
(3^(1/4);27]
2 votes
Thanks 1
More Questions From This User
See All
ashen
August 2022 | 0 Ответы
tex]...
Answer
ashen
August 2022 | 0 Ответы
pomogite reshit uravneniec430c7c586c0c453b36e31404c6f0c43 33872
Answer
ashen
August 2022 | 0 Ответы
najdite perimetr kvadrata557f7cef09cd7ae6728dca61bc9676b8 90288
Answer
ashen
August 2022 | 0 Ответы
reshite sistemu neravenstv8098428fbb41ca8a7d77f41b0421a931 42749
Answer
ashen
August 2022 | 0 Ответы
chto bolshe 015 ili 0225
Answer
ashen
July 2022 | 0 Ответы
tex]...
Answer
ashen
July 2022 | 0 Ответы
tex]...
Answer
ashen
July 2022 | 0 Ответы
reshite neravenstvo05a27398ddd2b698e64e1eb443e944c5 75718
Answer
ashen
April 2022 | 0 Ответы
pomogite reshit zadachu22f7f0d87a2ecc7d5d4c980930c2633b 13391
Answer
ashen
April 2022 | 0 Ответы
tex]...
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
×
Report "Решите неравенство с логарифмами:..."
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
О нас
Политика конфиденциальности
Правила и условия
Copyright
Контакты
Helpful Social
Get monthly updates
Submit
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Обозначим log_3 x=t;(-8t-9)/(1-4t)≥t;
(8t+9)/(4t-1)-t≥0;
(8t+9-4t^2+t)/(4t-1)≥0;
(4t^2-9t-9)/(4t-1)≤0;
(t-3)(4t+3)/(4t-1)≤0;
t∈(-∞;-3/4]∪(1/4;3].
1 случай. log_3 x≤ - 3/4; x∈(0; 3^(-3/4)]
2 случай 1/4< log_3 x≤3; x∈(3^(1/4);27]
Ответ: (0; 3^(-3/4)]∪ (3^(1/4);27]