Learning to find the ratio of a geometric sequence

The video tutorial explains how to identify the common ratio in a geometric sequence without needing to calculate it between every pair of terms. It demonstrates that the common ratio can be found by dividing the second term by the first term. The tutorial emphasizes the importance of maintaining a consistent common ratio and explains the process of multiplying fractions to verify this consistency. The example used shows a geometric sequence with a common ratio of -1/4, highlighting how the terms decrease in size.

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