Home
О нас
Products
Services
Регистрация
Войти
Поиск
adelarslanov110
@adelarslanov110
July 2022
1
5
Report
2x^2+5+3=0
x^2-5x+3=0
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
zhenyaM2002
Verified answer
2х² + 5 + 3 = 0
2х² + 8 = 0
2(х² +4)=0 |÷2
х² +4 =0
x² = - 4 уравнение не имеет вещественных корней
х² - 5х + 3 =0
D=(-5)² - 4*1*3 = 25 - 12 = 13
D>0 два корня уравнения
х₁ = (5 - √13)/2 = 1/2 * (5 -√13) = 0,5(5-√13) = 2,5 - 0,5√13
х₂ = (5 +√13)/2= 2,5 +0,5√13
0 votes
Thanks 1
×
Report "2x^2+5+3=0 x^2-5x+3=0..."
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
2х² + 5 + 3 = 02х² + 8 = 0
2(х² +4)=0 |÷2
х² +4 =0
x² = - 4 уравнение не имеет вещественных корней
х² - 5х + 3 =0
D=(-5)² - 4*1*3 = 25 - 12 = 13
D>0 два корня уравнения
х₁ = (5 - √13)/2 = 1/2 * (5 -√13) = 0,5(5-√13) = 2,5 - 0,5√13
х₂ = (5 +√13)/2= 2,5 +0,5√13