Lesson 14: Introduction to Sequences and Factorial Notations
Lesson on understanding sequences and finding terms in a sequence, and simplifying expressions that have factorials. Sequences are list of numbers arranged in a specific order. Such order can be analyzed, and can be used to draw succeeding terms. On the other hand, factorial notations are positive integers with the symbol "!".
0:21 An = 3n + 2
1:44 An = 3 + (-1)^n
6:02 (2! x 6!) /( 3! x 5!)
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