|
is gelijk aan |
A. 1 |
|---|---|
| B. − 1 | |
| C. \(\large\boldsymbol{\frac {a\,+\,b} {a\,-\,b}} \) | |
| D. \(\large\boldsymbol{\frac {a\,-\,b} {a\,+\,b}} \) | |
| E. geen van de vorige |
[ B-6084 - op net sinds 30.6.10-(E)-3.11.2023 ]
|
equals |
A. 1 |
|---|---|
| B. − 1 | |
| C. \(\frac {a\,+\,b} {a\,-\,b} \) | |
| D. \(\frac {a\,-\,b} {a\,+\,b} \) | |
| E. none of the above |