Cho $ A= \left \{ \forall \in \mathbb{R}/\left | x \right |\geq 5 \rig

Question

Cơ bản

Cho $ A= \left \{ \forall \in \mathbb{R}/\left | x \right |\geq 5 \right \}$. Tìm $C_{R}A$?

4 câu trả lời

Answer 1

$C_{R}A$ = $\left (-5; 5 \right ]$

Answer 2

$C_{R}A$ = $\left [ -5; 5 \right ]$

Answer 3

$C_{R}A$ = ( -5; 5 )

Answer 4

$C_{R}A$ = $\left ( -\infty ;-5 \right ]\cup \left [ 5;+\infty \right )$