Elementary combinatorics: Arithmetic and geometric sequences
Arithmetic sequences
Write the following sum belonging to an arithmetic sequence \[4+6+8+\cdots + 34\] in sigma notation with summation index \(k\) and calculate it
| \(4+6+8+\cdots + 32+ 34 = {}\) |
| \(4+6+8+\cdots + 32+34 = {}\) |
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