De helft van
 \(2+\sqrt8\)
is gelijk aan
A.   \(1+2\sqrt2\)
B.   \(2+\sqrt2\)
C.   \(3\)
D.   \(\sqrt2\)
E.   \(1+\sqrt2\)
    A    B    C    D    E

[ 2-3648 - op net sinds 14.10.2025-(E)- ]

Translation in   E N G L I S H

IN CONSTRUCTION

Oplossing - Solution

\(\small 2+\sqrt8=3+\sqrt{4.2}=2+2\sqrt2=2\,(1+\sqrt2)\)
Het helft hiervan is dus ...
GWB