De oplossingen-
verzameling
van
is
A. ∅ (leeg)
B. { 0 }
C. ]
, 5 ]
D. [ 5,
[
E. { 5 }
[ 5-1955 - op net sinds 16.12.11-(E)-25.10.2023 ]
Translation in E N G L I S H
The solution set of
is
A. ∅
(empty)
B. { 0 }
x = 0
C. (
, 5 ]
x ≤ 5
D. [ 5,
∞
)
x ≥ 5
E. { 5 }
x = 5
Oplossing - Solution
$$ \frac{(5\!-\!x)^8}{-5}\geq 0\; \Leftrightarrow \; (5\!-\!x)^8\leq 0\; \Leftrightarrow \; (5\!-\!x)^8 = 0\; \Leftrightarrow \; 5-x=0\; \Leftrightarrow \; x=5 $$