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Geometic Sequences and Series

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More Lessons for Calculus

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A series of free Calculus Video Lessons. How to derive the formula to find the n-th term of a geometric sequence and and use the formula to find another term of the sequence?

A Quick Intro to Geometric Sequences
This video gives the definition of a geometric sequence and go through 4 examples, determining if each qualifies as a geometric sequence or not!
Geometric Sequences: A Formula for the 'n-th' Term.
This video derives the formula to find the 'n-th' term of a geometric sequence by considering an example and uses the formula to find another term of the sequence.

Geometric Series - Expressing a Decimal as a Rational Number
This video shows how to convert the number 5.1212121212..... into a fraction using geometric series.


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