Het product

( + 1)( + 1)

is gelijk aan
A.   1
B.   2 + 3
C.   3
D.   4
E.   5
                 

[ 2-4166 - op net sinds 30.5.13-(E)-27.10.2023 ]

Translation in   E N G L I S H

The product

( + 1)( + 1)
is equal to
A.   1
B.   2 + 3
C.   3
D.   4
E.   5

Oplossing - Solution

( + 1)( + 1) = ( + 1)2 = ()2 + 2..1 + 12 = 2 + 2. + 1 = ...
GWB