3
2
+ 3
−2
is gelijk aan
A. 1
B. 0
C. \( \large \frac {10} {9} \)
D. \(\large \frac {82} {9} \)
E. 6
[ 2-4837 - op net sinds 5.12.2020-(E)-12.11.2023 ]
Translation in E N G L I S H
3
2
+ 3
−2
is equal to
A. 1
B. 0
C. \( \frac {10} {9} \)
D. \( \frac {82} {9} \)
E. 6
Oplossing - Solution
\(3^2 + 3^{-2} = 9 + \frac 19 = \frac {81}{9} + \frac 19 = \frac {82}{9} \)