- #1
Moridin
- 688
- 3
Homework Statement
Calculate the following sum:
[tex]\sum_{k=1}^{10} 3 \cdot 2^{k}[/tex]
The Attempt at a Solution
[tex]\sum_{k=1}^{10} 3 \cdot 2^{k} = 3 \cdot \sum_{k=1}^{10} 2^{k} = 3 \cdot (2^{10} - 1)[/tex]
Although it seems that I am missing something.