Thursday, February 20, 2014

9.1: Sequences and Summation

Sequences
Infinite Sequences: simply sequences that do not stop
A1, A2, A3.....An.......

Finite sequences: sequences that end
A1, A2, A3.....An

Example:

Factorials
-a factorial is hard to define, so here is the formula:
n!=1 x 2 x 3......(n x 1) x n

Example:
3!= 3 x 2 x 1= 6

Example 


Summation Notation




Math joke of the day:
Q: If I had seven oranges in one hand and eight oranges in the other hand, what would I have? 
A: Big Hands



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