Home
О нас
Products
Services
Регистрация
Войти
Поиск
368468
@368468
August 2021
1
17
Report
Упростить числовое выражение:
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
Матов
√(8+2*√(10+2*√5)) = a
√(8-2*√(10-2*√5)) = b
√(10+2*√5)=(a^2-8)/2
√(10+2*√5))=(8-b^2)/2
откуда a^2-8=8-b^2
a^2+b^2=16
Надо найти a+b
(a+b)^2=16+2ab
a+b=√(16+2ab)
ab = √(64-4*(10+2*√5)) = √(24-8√5)
a+b=√(16+2*√(24-8*√5)) = √(16+2*√(2*√5-2)^2) = √(16+2*(2*√5-2)) = √(12+4*√5) = 2*√(3+√5)
1 votes
Thanks 1
More Questions From This User
See All
368468
August 2022 | 0 Ответы
srochnouprostite vyrazhenief957a8286e6c1747b9c00e0a74a33e00 40506
Answer
368468
August 2022 | 0 Ответы
vypolnite zadanie732f8fd88ab388aa10f4782d818cfd85 75710
Answer
368468
August 2022 | 0 Ответы
reshite zadachubb9df9c503d25eedb643b5118a6caec5 43637
Answer
368468
August 2022 | 0 Ответы
vypolnite zadachu
Answer
368468
August 2022 | 0 Ответы
dayu 25 ballov srochno neobhodimo reshenie zadachi
Answer
368468
August 2022 | 0 Ответы
dayu 20 ballovvypolnite zadanie obyasnite pochemu
Answer
368468
August 2022 | 0 Ответы
nazovite veshestvof9c3f0ac2f26f991a1a5c40db84b097e 13863
Answer
368468
August 2022 | 0 Ответы
napishite pervye neskolko chlenov geometricheskoj progressii u kotoroj raznost tr
Answer
368468
August 2022 | 0 Ответы
napishite graficheskie formuly treh kislot
Answer
368468
August 2022 | 0 Ответы
h 528
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 "Упростить числовое выражение:..."
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
√(8-2*√(10-2*√5)) = b
√(10+2*√5)=(a^2-8)/2
√(10+2*√5))=(8-b^2)/2
откуда a^2-8=8-b^2
a^2+b^2=16
Надо найти a+b
(a+b)^2=16+2ab
a+b=√(16+2ab)
ab = √(64-4*(10+2*√5)) = √(24-8√5)
a+b=√(16+2*√(24-8*√5)) = √(16+2*√(2*√5-2)^2) = √(16+2*(2*√5-2)) = √(12+4*√5) = 2*√(3+√5)