Elementary combinatorics: Arithmetic and geometric sequences
Arithmetic sequences
Write the following sum belonging to an arithmetic sequence \[6+8+10+\cdots + 36\] in sigma notation with summation index \(k\) and calculate it
\(6+8+10+\cdots + 34+ 36 = {}\) |
\(6+8+10+\cdots + 34+36 = {}\) |
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