Elementary combinatorics: Arithmetic and geometric sequences
Arithmetic sequences
Write the following sum belonging to an arithmetic sequence \[5+7+9+\cdots + 35\] in sigma notation with summation index \(k\) and calculate it
| \(5+7+9+\cdots + 33+ 35 = {}\) |
| \(5+7+9+\cdots + 33+35 = {}\) |
Unlock full access
