Sequences and summations
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The document provides 3 math examples: 1) Sum the first 100 terms of the sequence 1/n. 2) Calculate the sum of j=1 to 5 of j^2. 3) Calculate the sum from k=4 to 8 of -1^k. It also gives an example of a double sum from i=1 to 4 of i(1+2+3).
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Sequences and summations
- 11. Examples 1. Express the sum of first 100 terms of the sequence {𝑎 𝑛} where 𝑎 𝑛 = 1 𝑛 for n=1, 2, 3, …. 2. What is the value of 𝑗=1 5 𝑗2 3. What is the value of 𝑘=4 8 −1 𝑘
- 13. Examples 𝑖=1 4 𝑗=1 3 𝑖𝑗 = 𝑖=1 4 𝑖(1 + 2 + 3)