Elementary combinatorics: Arithmetic and geometric sequences
Arithmetic sequences
Write the following sum belonging to an arithmetic sequence \[7+9+11+\cdots + 33\] in sigma notation with summation index \(k\) and calculate it
| \(7+9+11+\cdots + 31+ 33 = {}\) |
| \(7+9+11+\cdots + 31+33 = {}\) |
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