Home
О нас
Products
Services
Регистрация
Войти
Поиск
erdos7777
@erdos7777
August 2022
1
30
Report
Решите неравенства методом интервала f'(x)<0
a) f(x)=3/x-x^2
b) f(x)=x^4-4,5x^2+2
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
F(x)=3/x-x²
f`(x)=-3/x²-2x<0
(-3-2x³)/x²<0
x=-√6/2 x=0
+ _ _
------------------(-√6/2)-------------(0)--------------------
x∈(-√6/2;0) U (0;∞)
f(x)=x^4-4,5x²+2
f`(x)=4x³-9x<0
x(4x²-9)<0
x(2x-3)(2x+3)<0
x=0 x=1,5 x=-1,5
_ + _ +
---------------(-1,5)-------------(0)---------------------(1,5)--------------
x∈(-∞;-1,5) U (0;1,5)
1 votes
Thanks 1
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 "x-x^2 b) f(x)=x^4-4,5x^2+2..."
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
Verified answer
F(x)=3/x-x²f`(x)=-3/x²-2x<0
(-3-2x³)/x²<0
x=-√6/2 x=0
+ _ _
------------------(-√6/2)-------------(0)--------------------
x∈(-√6/2;0) U (0;∞)
f(x)=x^4-4,5x²+2
f`(x)=4x³-9x<0
x(4x²-9)<0
x(2x-3)(2x+3)<0
x=0 x=1,5 x=-1,5
_ + _ +
---------------(-1,5)-------------(0)---------------------(1,5)--------------
x∈(-∞;-1,5) U (0;1,5)