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Exponents & Radicals
hard
0:00.0
Simplify:
3
n
+
3
n
−
1
3
n
+
1
−
3
n
\frac{3^n + 3^{n-1}}{3^{n+1} - 3^n}
3
n
+
1
−
3
n
3
n
+
3
n
−
1
A
2/3
B
4/3
C
2
D
1/2
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