Home
О нас
Products
Services
Регистрация
Войти
Поиск
ololo935
@ololo935
July 2022
1
3
Report
Помогите, пожалуйста, 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
sedinalana
Verified answer
ОДЗ
2x+3>0⇒x>-1,5
x>0
x∈(0;∞)
log(5)(2x+7)=a log(5)x=b
a²+2b²-3ab≤0
решим относительно а
D=9b²-8b²=b²
a1=(3b-b)/2=b⇒log(5)(2x+3)=log(5)x
2x+3=x
x=-3 не удов усл
а2=(3b+b)/2=2b⇒log(5)(2x+3)=2log(5)x
log(2x+3)=log(5)x²
2x+3=x²
x²-2x-3=0
x1+x2=2 U x1*x2=-3
x1=-1 не удов усл
х2=3
2 votes
Thanks 1
More Questions From This User
See All
ololo935
October 2021 | 0 Ответы
kakie faktory skazalis na razmesheniiv oblasti umerennogo kontinentalnogo kli
Answer
ololo935
October 2021 | 0 Ответы
ne vmeste ili razdelno adzinokiya ptushynyya galasy neutulna guchali u getym ur
Answer
ololo935
October 2021 | 0 Ответы
chto vstavit ni ci ne yak ya n nacyagvau brezentavuyu nakidku dozhdzh use rouna na
Answer
ololo935
August 2021 | 0 Ответы
chem pamyatnik franciska skoriny v minske cenen dlya vas
Answer
ololo935
May 2021 | 0 Ответы
v yajcekletkah loshadi soderzhitsya po 32 hromasomy skolko bivalentov mozhno obnaru
Answer
ololo935
May 2021 | 0 Ответы
v kletkah kornya luka soderzhitsya po 16 hromosom skolko hromosom budet soderzhat
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 "Помогите, пожалуйста, 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
ОДЗ2x+3>0⇒x>-1,5
x>0
x∈(0;∞)
log(5)(2x+7)=a log(5)x=b
a²+2b²-3ab≤0
решим относительно а
D=9b²-8b²=b²
a1=(3b-b)/2=b⇒log(5)(2x+3)=log(5)x
2x+3=x
x=-3 не удов усл
а2=(3b+b)/2=2b⇒log(5)(2x+3)=2log(5)x
log(2x+3)=log(5)x²
2x+3=x²
x²-2x-3=0
x1+x2=2 U x1*x2=-3
x1=-1 не удов усл
х2=3