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Math Video Definitions-Fibonacci Sequence

Math Video Definitions-Fibonacci Sequence

The Fibonacci Sequence is a famous number sequence in which
the next number is found by adding up the two numbers before it.



0+1=1
1+1 =2
2+1=3
2+3=5
5+3=8

This famous number sequence was introduced to Europe by Leonardo Pisano Bigollo,who later became known by his nickname Fibonacci, in his book titled Liber Abaci  in 1202. 

The Fibonacci sequence can be expressed with the formula

fn = fn-1 + fn-2

If you divide a number in the sequence by the one before it you get the same number 1.618
144/89 = 1.618
377/233=1.618

This has been called the Golden Ratio.

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