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Number Patterns, Sequences and Series

Linear, Quadratic, Cubic, Exponential Patterns

Linear Patterns Problem

Higher level (2014) Exam Questions

Limits of Sequences

The General Term for Linear and Quadratic Sequences

Quadratic Patterns Problem

Geometric Sequences and Series

Infinite Geometric Series

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Not required for Leaving Cert

Do not use the results in these videos in any Junior or Leaving Cert. Exams. 

Grandi's Series

(1 - 1 + 1 - 1 + .......)

1 - 2 + 3 - 4 + .......

Sum of Natural Numbers 

1 + 2 + 3 + 4 + ......

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Not required for Leaving Cert

Euler's Number (e)

Euler's Identity 1

Euler's Identity 2