Home
О нас
Products
Services
Регистрация
Войти
Поиск
kotuk2000
@kotuk2000
August 2022
1
29
Report
Логарифмы, решите, пожалуйста, подробно
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
Б
ОДЗ x>0 U x≠1
Прологарифмируем по основанию 5
log(5)5√5/log(5)x-(log(5)√5/log(5)x)²>1,25
1,5/log(5)x-0,25/log²(5)x>1,25
log(5)x=a
3/2x-1/4x²-5/4>0
(6a-1-5a²)/4a²>0
(5a²-6a+1)/4a²<0
5a²-6a+1=0
D=36-20=16
a1=(6-4)/10=1/5
U a2=(6+4)/10=1
4a²=0⇒a=0
+ + _ +
-------------(0)----------------(1/5)-------------(1)----------------
1/5<a<1⇒1/5<log(5)x<1⇒
x∈(
г
ОДЗ
(1-x)/(2-x)>0
x=1 x=2
x∈(-∞;1) U (2;∞)
(1-x)/(2-x)≤1/10
(1-x)/(2-x)-1/10≤0
(10-10x-2+x)/10(2-x)≤0
(8-9x)/(10(2-x)≤0
x=8/9 x=2
8/9≤x<2
x∈[8/9;1)
0 votes
Thanks 0
More Questions From This User
See All
kotuk2000
August 2022 | 0 Ответы
parametry ege 100bbfd2430a44e2b636823f164f6341020b 3476
Answer
kotuk2000
August 2022 | 0 Ответы
100b infa u ispolnitelya tri komandy kotorym prisvoeny nomera1 pribav 12 p
Answer
kotuk2000
August 2022 | 0 Ответы
na granyah igralnogo kubika napisany chisla ot 1 do 6 odnako ves kubika raspred
Answer
kotuk2000
August 2022 | 0 Ответы
na stole lezhit 220 vneshne odinakovyh monet izvestno chto sredi nih rovno 110 fa
Answer
kotuk2000
August 2022 | 0 Ответы
mnogochlen chetvyortoj stepeni raven kvadratu svoej vtoroj proizvodnoj izvestno ch
Answer
kotuk2000
August 2022 | 0 Ответы
funkciya fx opredelena dlya x gt 0 i takova chto fx fy fxyxy izv
Answer
kotuk2000
August 2022 | 0 Ответы
obosoblyayutsya
Answer
kotuk2000
August 2022 | 0 Ответы
kakoj promezhutok vremeni podrazumevaetsya kogda govoryat idet 6 chas
Answer
kotuk2000
August 2022 | 0 Ответы
kakie pamyatniki mogut byt simvolami nashego goroda piter
Answer
kotuk2000
August 2022 | 0 Ответы
zadanie vo vlozhenii pozhalujsta pomogite rebyat 9 klass
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 "Логарифмы, решите, пожалуйста, подробно..."
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
БОДЗ x>0 U x≠1
Прологарифмируем по основанию 5
log(5)5√5/log(5)x-(log(5)√5/log(5)x)²>1,25
1,5/log(5)x-0,25/log²(5)x>1,25
log(5)x=a
3/2x-1/4x²-5/4>0
(6a-1-5a²)/4a²>0
(5a²-6a+1)/4a²<0
5a²-6a+1=0
D=36-20=16
a1=(6-4)/10=1/5
U a2=(6+4)/10=1
4a²=0⇒a=0
+ + _ +
-------------(0)----------------(1/5)-------------(1)----------------
1/5<a<1⇒1/5<log(5)x<1⇒
x∈(
г
ОДЗ
(1-x)/(2-x)>0
x=1 x=2
x∈(-∞;1) U (2;∞)
(1-x)/(2-x)≤1/10
(1-x)/(2-x)-1/10≤0
(10-10x-2+x)/10(2-x)≤0
(8-9x)/(10(2-x)≤0
x=8/9 x=2
8/9≤x<2
x∈[8/9;1)