Welk getal is
gelijk aan
?
A.
B.
C.
D.
E.
[ 6-6281 - op net sinds 5.12.11-(E)-3.12.2023 ]
Translation in E N G L I S H
Which number is
equal to
?
A.
B.
C.
D.
E.
Oplossing - Solution
x
1
= x
2
⇔ log
5
x
1
= log
5
x
2
(x
1
, x
2
> 0)
3
log
5
7 = 7
log
5
3
⇔ log
5
3
log
5
7 = log
5
7
log
5
3
⇔ log
5
7 . log
5
3 = log
5
3 . log
5
7
→ ! EVIDENT !
?