Home
О нас
Products
Services
Регистрация
Войти
Поиск
Мализия
@Мализия
August 2022
1
10
Report
(n-4)! /(n-2)! >= 1/20
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
(n-4)!/[(n-4)!(n-3)(n-2)]-1/20≥0
1/(n-3)(n-2)-1/20≥0
(20-n²+5n-6)/[20(n-3)(n-2)]≥0
(n²-5n-14)/[20(n-3)(n-2)]≤0
n²-5n-14=0
n1+n2=5 U n1*n2=-14⇒n1=-2 U n2=7
n-3=0⇒n=3
n-2=0⇒n=2
+ _ + _ +
-----------------[-2]-------------(2)-------------(3)----------[7]----------------
-2≤n<2 U (3;7] U n∈Z
n∈(3;7] U {1}
3 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 "20..."
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
(n-4)!/[(n-4)!(n-3)(n-2)]-1/20≥01/(n-3)(n-2)-1/20≥0
(20-n²+5n-6)/[20(n-3)(n-2)]≥0
(n²-5n-14)/[20(n-3)(n-2)]≤0
n²-5n-14=0
n1+n2=5 U n1*n2=-14⇒n1=-2 U n2=7
n-3=0⇒n=3
n-2=0⇒n=2
+ _ + _ +
-----------------[-2]-------------(2)-------------(3)----------[7]----------------
-2≤n<2 U (3;7] U n∈Z
n∈(3;7] U {1}