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Home > CALC > Chapter 9 > Lesson 9.4.1 > Problem 9-114

9-114.

For an infinite geometric series:

This is a geometric series with r = 1/2.

Think of this as:
0.9 + (0.9 + 0.09) + (0.9 + 0.09 + 0.009) + ...
What is happening to the value of each term?

See the hint in part (b).

This is a geometric series with r = –1/2.