Home
О нас
Products
Services
Регистрация
Войти
Поиск
angelina557lv
@angelina557lv
July 2022
2
4
Report
Помогите решить пример с логарифмами, пожалуйста
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
Использованы свойства логарифмов
1 votes
Thanks 0
okneret
Verified answer
ОДЗ
5x²+19x+19>0
D=361-380=-19<0⇒x-любое
2x+5>0⇒x>-2,5
2x+5≠1⇒x≠-2
x∈(-2,5;-2) U (-2;∞)
5x²+19x+19=(2x+5)²
5x²+19x+19-4x²-20x-25=0
x²-x-6=0
x1+x2=1 u x1*x2=-6
x1=-2∉ОДЗ
x2=3
1корень,х0=3
(2m+4)/x0=(2+4)/3=2
2 votes
Thanks 0
More Questions From This User
See All
angelina557lv
July 2022 | 0 Ответы
pomogite reshit uravnenie s logarifmamia048a376ef040fd887381c45cacb0829 82950
Answer
angelina557lv
July 2022 | 0 Ответы
pomogite s logarifmamibd6e602971fc0e09c7130b7f3c702a75 13153
Answer
angelina557lv
July 2021 | 0 Ответы
pri skreshivanii koshki imeyushej cherepahovuyu okrasku shersti trehcvetnye s ryzhi
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 пример с логарифмами, пожалуйста..."
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
ОДЗ5x²+19x+19>0
D=361-380=-19<0⇒x-любое
2x+5>0⇒x>-2,5
2x+5≠1⇒x≠-2
x∈(-2,5;-2) U (-2;∞)
5x²+19x+19=(2x+5)²
5x²+19x+19-4x²-20x-25=0
x²-x-6=0
x1+x2=1 u x1*x2=-6
x1=-2∉ОДЗ
x2=3
1корень,х0=3
(2m+4)/x0=(2+4)/3=2