It's all Greek to me. Sigma Notation.
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Lesson Description:
Learn about sigma notation, sequences, tetrahedral numbers, pyramidal numbers, and their relationships analytically and geometrically.
Additional Resources:
- The On-Line Encyclopedia of Integer Sequences - A very useful sequence look-up utility.
Questions answered by this video:
- What is sigma notation?
- How do you write sigma notation?
- What is a tetrahedral number?
- What is a pyramidal number?
- Is there a formula for tetrahedral numbers?
- Are there formulas relating tetrahedral numbers and pyramidal numbers?
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Staff Review
This video does a great job of explaining how to understand tetrahedral and pyramidal numbers geometrically, how they relate to each other, and how to use sigma notation to represent sequences. This is a very important lesson with a nice resource for learning some fundamentals about sigma notation and types of sequences.
