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Mathematics
Mathematics
Problem
Find
n
n
n
given that
∑
k
=
1
n
2
×
3
k
−
1
=
177
146
\sum_{k=1}^{n} 2 \times 3^{k-1} = 177\,146
∑
k
=
1
n
2
×
3
k
−
1
=
177
146
.
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