Sequences and series

this tutorial assumes you already know the following things:

But we will quiz you before each section of notes to test and refresh your knowledge, so feel free to go as far as you can before you get confused. If you get bored, you can always Skip the Quiz
    Quick Quiz
  1. 6! means that:
    6x6 6x5x4x3x2x1
    {1,2,3,6} We are one third of the way to apocalypse!

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