Articles
Register
Sign In
Search
17sarah19
@17sarah19
April 2019
2
63
Report
Soit a=
1) Calculer a² et b²
2) En déduire les valeurs de a²+b² et \sqrt{ a{2}+b{2}
Merci de m'aider.
Please enter comments
Please enter your name.
Please enter the correct email address.
Agree to
terms and service
You must agree before submitting.
Send
Lista de comentários
senmusa
Verified answer
A = √5 ( 1-√2)
a² = 5(1+2-2√2)
= 5(3 - 2√2)
= 15 - 10√2
b = 5 + √2
b² = (5+√2)²
= 25 + 2 + 10√2
= 27 + 10√2
a² + b² = 15 - 10√2 + 27 + 10√2
= 42
√(a²+b²) = √42
0 votes
Thanks 1
Riemann
1)
(distributivité)
(2e identité remarquable )
(1ère identité remarquable )
0 votes
Thanks 1
More Questions From This User
See All
17sarah19
June 2021 | 0 Respostas
Responda
17sarah19
June 2021 | 0 Respostas
Responda
17sarah19
June 2021 | 0 Respostas
Pouvez vous m'aider svp je n'y arrive pas
Responda
17sarah19
June 2021 | 0 Respostas
Responda
17sarah19
June 2021 | 0 Respostas
Responda
17sarah19
June 2021 | 0 Respostas
Responda
17sarah19
June 2021 | 0 Respostas
Responda
17sarah19
February 2021 | 0 Respostas
Aider moi s'il vous plait . Merci d'avance .
Responda
17sarah19
February 2021 | 0 Respostas
Responda
17sarah19
February 2021 | 0 Respostas
Responda
×
Report "Soit a= 1) Calculer a² et b² 2) En déduire les valeurs de a²+b² et \sqrt{ a{2}+b{2} Merci de m'aid.... Pergunta de ideia de 17sarah19"
Your name
Email
Reason
-Select Reason-
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Description
Helpful Links
Sobre nós
Política de Privacidade
Termos e Condições
direito autoral
Contate-Nos
Helpful Social
Get monthly updates
Submit
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Verified answer
A = √5 ( 1-√2)a² = 5(1+2-2√2)
= 5(3 - 2√2)
= 15 - 10√2
b = 5 + √2
b² = (5+√2)²
= 25 + 2 + 10√2
= 27 + 10√2
a² + b² = 15 - 10√2 + 27 + 10√2
= 42
√(a²+b²) = √42
(distributivité)
(2e identité remarquable )
(1ère identité remarquable )