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Sequences and Series

Reference > Mathematics > Algebra
Explanation of what a mathematical sequence is, with some examples, and questions.
Instructions for finding the nth term of an arithmetic sequence, along with some examples of sequences
Solving problems involving arithmetic sequences.
Explanation, formulas and problems about arithmetic series, along with the famous Carl Frederick Gauss story.
Information about geometric sequences and how to find terms and ratios of geometric sequences.
Information and problems about geometric series - series with a common ratio
How to find the sum of an infinite geometric series, when the ratio is between negative one and one.
Sequences in which each term is defined in terms of the previous term (or terms)

Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

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