Home
О нас
Products
Services
Регистрация
Войти
Поиск
Makeplay
@Makeplay
July 2022
1
4
Report
Доказать тождество
7n/98-8n^2:(2n-7/2n+7-2n+7/2n-7)=одна восьмая
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
sangers1959
Verified answer
1. (2n-7)/(2n+7)-(2n+7)/(2n-7)=((2n-7)²-(2n+7)²)/((2n-7)(2n+7))=
=(4n²-28n+49-(4n²+28n+49))/(4n²-49)=-56n/(4n²-49)=56n/(49-4n²).
2. 7n/(98-8n²):(56n/(49-4n²))=7n*(49-4n²)/(56n*2*(49-4n²))=7n/112n=
1/16.
0 votes
Thanks 3
More Questions From This User
See All
Makeplay
August 2022 | 0 Ответы
pomogite reshit h 2h 32h 2h50a46c6eba2e0adae0b4983c01cc4a64 91321
Answer
Makeplay
August 2022 | 0 Ответы
uprostit vyrazhenie ochen nuzhnofc1572ce2641b6da61783a1e318f30d1 85511
Answer
Makeplay
August 2022 | 0 Ответы
pomogite reshit pokazatelnoe uravnenie35ef0228c0785de0df58cc92da01b5f4 12881
Answer
Makeplay
August 2022 | 0 Ответы
ravnobokaya trapeciya abcd ab parallelno bc bc menshe ad diagonal ac razbivaetsya
Answer
Makeplay
August 2022 | 0 Ответы
pomogite reshit h 2h 32h 2h
Answer
Makeplay
July 2022 | 0 Ответы
predstavit vyrazhenie v vide drobi2b620053efc789b29965873f0a2f378c 68479
Answer
Makeplay
July 2022 | 0 Ответы
uprostit vyrazheniec7712e2bfd62ff8cba3cba98763b5694 75909
Answer
Makeplay
July 2022 | 0 Ответы
sokratit drob pzh79205ccdc0175222e43690ceaaab048f 95907
Answer
Makeplay
July 2022 | 0 Ответы
pomogite pozhalujsta srochno3b87b25301c360817085c4a79b4cff2b 70030
Answer
Makeplay
July 2022 | 0 Ответы
sokratit drob pzh751a7e46752ed598a4f2373713933f08 22904
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 "2n-7)=одна восьмая..."
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
1. (2n-7)/(2n+7)-(2n+7)/(2n-7)=((2n-7)²-(2n+7)²)/((2n-7)(2n+7))==(4n²-28n+49-(4n²+28n+49))/(4n²-49)=-56n/(4n²-49)=56n/(49-4n²).
2. 7n/(98-8n²):(56n/(49-4n²))=7n*(49-4n²)/(56n*2*(49-4n²))=7n/112n=1/16.