January 2021 0 75 Report
Bonjour, Pour Df on résout :

f(x) = √x² - 2x - 3

Condition : x² - 2x - 3 ≥ 0

J'ai trouvé :

Δ = 16
x1 = 3 ; x2 = -1

Donc, c'est Df = ]-∞ ; -1 ; 3] ?

Est-ce la réponse ?
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Helpful Social

Copyright © 2024 ELIBRARY.TIPS - All rights reserved.