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Home > A2C > Chapter 12 > Lesson 12.1.2 > Problem 12-35


   Consider the series as you answer the questions in parts (a) through (c) below.

  1. Write an expression for the th term.

    Use a system of equations or look at the difference between terms and the value of the first term.

  2. How many terms are in the series? How can you tell?

    Set the equation you found in part (a) equal to and solve for .

  3. What is the sum of this series?

    Use the rectangle method or Antonio's method.