OpenStax, Algebra and Trigonometry 2e §13.4 Series and Their Notations · Exercise 42 · Probability · Counting & chance

Series and Their Notations · Exercise 42

Use the formula for the sum of the first $n$ terms of an arithmetic series to find the sum.

$\sum_{k = 1}^{11} (\frac{k}{2} - \frac{1}{2})$

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OpenStax, Algebra and Trigonometry 2e · §13.4 Series and Their Notations · Exercise 42

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