|x| > a

met a > 0

is gelijkwaardig met
 A.   x ≤ 0
B.   x < 0
C.   x > − a
D.   x ∈  r \ ] − a, +a [
E.   x ∈  r \ [ − a, +a ]
A    B    C    D    E

[ 5-4518 - op net sinds 22.10.16-(E)-29.10.2023 ]

Translation in   E N G L I S H

|x| > a

with a > 0
is equivalent with 		A.  x ≤ 0
B.  x < 0
C.  x > − a
D.  x ∈  R \ (-a,+a)
E.  x ∈  R \ [-a,+a]

Oplossing - Solution

    |x| > a
⇔   x < − a   ∨   x > a
⇔   x ∉ [ − a, +a ]
⇔   x ∈ R \ [ − a, +a ]
gricha