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Question 0404b
Arithmetic and Geometric Progressions (APs, GPs)
Sigma II
Question
Generate new
Evaluate
∑
r
=
1
6
3
n
.
{\displaystyle \sum_{r=1}^{6} 3^n.}
r
=
1
∑
6
3
n
.
Attempt
Your answer:
Answer
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