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Home > A2C > Chapter 12 > Lesson 12.1.3 > Problem 12-49

12-49.

     Find the sum of the arithmetic series below. Homework Help ✎

  1. Find the sequence that describes the series.

    Find which term is .


    Find the sum using the formula from the Math Notes box.

  2. See part (a).

  3. See part (a).