De oplossingen-
verzameling
van

is
A.   ∅   (leeg)
B.   { 0 }
C.   ]minoneindig, 5 ]
D.   [ 5, plusoneindig[
E.   { 5 }
A    B    C    D    E

[ 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.   ( minoneindig, 5 ] x ≤ 5
D.   [ 5, ) x ≥ 5
E.   { 5 } x = 5

Oplossing - Solution

$$ \frac{(5\!-\!x)^8}{-5}\geq 0\; \Leftrightarrow \; (5\!-\!x)^8\leq 0\; \Leftrightarrow \; (5\!-\!x)^8 = 0\; \Leftrightarrow \; 5-x=0\; \Leftrightarrow \; x=5 $$
gricha