Home
О нас
Products
Services
Регистрация
Войти
Поиск
корчик
@корчик
August 2022
1
18
Report
Найдите область определения функции:
[tex]a) f(x)= \sqrt{x- \frac{4}{x-3} } [/tex]
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
Checov7400
(х²-3х-4)/х-3 >=0
x²-3x-4>=0 x²-3x-4=0
x1+x2=3
x1*x2=-4
x1=4 x2=-1 (x-4)(x+1)>=0
x-3>0 x-3>0
x-3=0 - + - +
x=3 ------------ -1---------- 3--------- 4---- x
решением будут все точки на промежутках со знаком
плюс х∈[-1;3)∪[4;+∞)
1 votes
Thanks 0
×
Report "tex]..."
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
x²-3x-4>=0 x²-3x-4=0
x1+x2=3
x1*x2=-4
x1=4 x2=-1 (x-4)(x+1)>=0
x-3>0 x-3>0
x-3=0 - + - +
x=3 ------------ -1---------- 3--------- 4---- x
решением будут все точки на промежутках со знаком
плюс х∈[-1;3)∪[4;+∞)