OpenStax, Algebra and Trigonometry 2e §13.4 Series and Their Notations · Exercise 19 · Probability · Counting & chance

Series and Their Notations · Exercise 19

Use the formula for the sum of the first $n$ terms of each arithmetic sequence.

$19 + 25 + 31 + \dots + 73$

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OpenStax, Algebra and Trigonometry 2e · §13.4 Series and Their Notations · Exercise 19

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