Home
О нас
Products
Services
Регистрация
Войти
Поиск
Alex364
@Alex364
July 2022
1
13
Report
Решите, пожалуйста, уравнения с логарифмом
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
MizoriesKun
㏒²₇х- ㏒₇х³ +2=0
㏒²₇х- 3㏒₇х +2=0 замена ㏒₇х=а ОДЗ х>0
a²-3a+2=0
D=9-8=1
a₁=(3+1)/2=2 ㏒₇х=2 x₁=7²=49
a₂=(3-1)/2=1 ㏒₇х=1 x₂=7¹
=7
---------------------------------------------------------------------------------------------
㏒²₄(4x-1)= ㏒₄(4x-1)³
㏒²₄(4x-1)- ㏒₄(4x-1)³=0
㏒²₄(4x-1)-3 ㏒₄(4x-1)=0 замена ㏒₄(4x-1)=a
а²-3а=0
а*(а-3)=0
а₁=0 ㏒₄(4x-1)=0 (4x-1)=4⁰ 4x-1=1 4х=2 х₁=1/2
а-3=0 а₂=3 ㏒₄(4x-1)=3 (4x-1)=4³ 4x-1=64 4х=65 х₂= 16.1/4= (16,25)
2 votes
Thanks 1
More Questions From This User
See All
Alex364
August 2022 | 0 Ответы
najdite proizvodnuyu funkciyu ysin3 stepen2x 7 v tochke x03
Answer
Alex364
August 2022 | 0 Ответы
log07 100 log07 49
Answer
Alex364
August 2022 | 0 Ответы
kakaya pervoobraznaya budet ot e05x1 takaya zhe i poluchitsya ili nado na chto t
Answer
Alex364
August 2022 | 0 Ответы
konflikt predstavlyaetsya universalnym socialnym faktom i veroyatno dazhe sluzhi
Answer
Alex364
August 2022 | 0 Ответы
reshite pozhalujsta logarifmd17d210c0482d1eb2ea5f5a40148e652 41008
Answer
Alex364
August 2022 | 0 Ответы
reshite pokazatelnoe uravnenie7c7caf1beee03cc8e52e663ddef1dd5c 98626
Answer
Alex364
August 2022 | 0 Ответы
najdite obem mnogogrannika vershinami kotorogo yavlyayutsya tochki a b c a1 c1 p
Answer
Alex364
August 2022 | 0 Ответы
My dad wants me to go to university, but I'm in ... minds about it. 1) two 2) s...
Answer
Alex364
August 2022 | 0 Ответы
x 112 skolko eto budet po kakoj to formule nado raskryvat
Answer
Alex364
July 2022 | 0 Ответы
334x 15 234x kak reshat ps otvet 05
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, пожалуйста, уравнения с логарифмом..."
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 © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
㏒²₇х- 3㏒₇х +2=0 замена ㏒₇х=а ОДЗ х>0
a²-3a+2=0
D=9-8=1
a₁=(3+1)/2=2 ㏒₇х=2 x₁=7²=49
a₂=(3-1)/2=1 ㏒₇х=1 x₂=7¹=7
---------------------------------------------------------------------------------------------
㏒²₄(4x-1)= ㏒₄(4x-1)³
㏒²₄(4x-1)- ㏒₄(4x-1)³=0
㏒²₄(4x-1)-3 ㏒₄(4x-1)=0 замена ㏒₄(4x-1)=a
а²-3а=0
а*(а-3)=0
а₁=0 ㏒₄(4x-1)=0 (4x-1)=4⁰ 4x-1=1 4х=2 х₁=1/2
а-3=0 а₂=3 ㏒₄(4x-1)=3 (4x-1)=4³ 4x-1=64 4х=65 х₂= 16.1/4= (16,25)