Home
О нас
Products
Services
Регистрация
Войти
Поиск
Kayshka
@Kayshka
October 2021
1
12
Report
помогите решить логарифм
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
svjatun
Введи замену
, t>0
log3(t^2+9)=Log3(28t-2t^2)
t^2+9=28t-2t^2
t^2+2t^2-28t+9=0
3t^2-28t+9=0
t1=(28+26)/6=9
t2=(28-26)/6=1/3
восстановим замену
Проверим ОДЗ 9^x+9>=0 , 28-2*3^x>=0
Оба корня подходят
1 votes
Thanks 1
Kayshka
куда х+ делось ?
More Questions From This User
See All
Kayshka
July 2022 | 0 Ответы
uravnenie cos4xsin2x0 90
Answer
Kayshka
July 2022 | 0 Ответы
pomogite reshit zadachu na trapeciyu
Answer
Kayshka
July 2022 | 0 Ответы
pomogite s geometriej najti ploshad trapecii sabcd
Answer
Kayshka
July 2022 | 0 Ответы
pomogite chemu raven 3 h1 i 3h0
Answer
Kayshka
July 2022 | 0 Ответы
3 * 7^x * 5^1-x = 7 * 3^x...
Answer
Kayshka
July 2022 | 0 Ответы
pomogite reshit algebru uravnenie s modulem i znachenie vyrazheniya
Answer
Kayshka
July 2022 | 0 Ответы
pomogite reshit hot chto nibuddaf866be2a164ee467b16098867389ac 62394
Answer
Kayshka
July 2022 | 0 Ответы
reshite pozhalujsta geometriyu najti ugol
Answer
Kayshka
July 2022 | 0 Ответы
pomogite reshit pokazatelnoe uravnenie s nesvodimymi osnovaniyami 3 7x 51
Answer
Kayshka
July 2022 | 0 Ответы
3 v 3579 g 3036 d 101 0110111
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 решить логарифм..."
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
log3(t^2+9)=Log3(28t-2t^2)
t^2+9=28t-2t^2
t^2+2t^2-28t+9=0
3t^2-28t+9=0
t1=(28+26)/6=9
t2=(28-26)/6=1/3
восстановим замену
Проверим ОДЗ 9^x+9>=0 , 28-2*3^x>=0
Оба корня подходят