Home
О нас
Products
Services
Регистрация
Войти
Поиск
meliklii
@meliklii
August 2022
1
10
Report
2х²+ 4х-5=0 найди сумму корней уравнения
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
Хуqожнuк
2x² + 4x - 5 = 0
D = 4² - 4 * (-5) * 2 = 16 + 40 = 56
√D = √56 = 2√14
x₁ = (-4 - 2√14)/4 = -1 - √14/2
x₂ = (-4 + 2√14)/4 = √14/2 - 1
x₁ + x₂ = -1 - √14/2 + √14/2 - 1 = -2
Ответ: -2
2 votes
Thanks 1
meliklii
спасибо большое
More Questions From This User
See All
meliklii
August 2022 | 0 Ответы
pomogite pozhalujsta s 13 i 1455d0f6e57bbf6f961eecfe5a2db389bd 61425
Answer
meliklii
August 2022 | 0 Ответы
hello people pomogite pozhalujsta reshit 73 primer
Answer
meliklii
August 2022 | 0 Ответы
pomogite pozhalujsta 3 5 3 2
Answer
meliklii
August 2022 | 0 Ответы
pomogite pozhalujsta s 15 i 15
Answer
meliklii
July 2022 | 0 Ответы
pomogite pozhalujsta reshit sistemu uravnenij3
Answer
meliklii
July 2022 | 0 Ответы
najdite summu kornej uravneniya h2 4h13
Answer
meliklii
March 2022 | 0 Ответы
9...
Answer
meliklii
September 2021 | 0 Ответы
pomogite pozhalujsta s 26
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 "2х²+ 4х-5=0 найди сумму корней уравнения..."
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
D = 4² - 4 * (-5) * 2 = 16 + 40 = 56
√D = √56 = 2√14
x₁ = (-4 - 2√14)/4 = -1 - √14/2
x₂ = (-4 + 2√14)/4 = √14/2 - 1
x₁ + x₂ = -1 - √14/2 + √14/2 - 1 = -2
Ответ: -2