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I just can't understand this sequence. 1,1,2,3,5,8. What's the next term? I don't understand how 1 could be the first 2 numbers. Please help.

2006-11-20 12:42:21 · 4 answers · asked by shoegrl2005 1 in Education & Reference Homework Help

4 answers

This sequence is known as the Fibonacci Sequence.

The sequence would continue like thus:
1,1,2,3,5,8,13,21,34, 55,89,144,233,377 this would continue until you want to stop. Now the trick to the Fibonacci sequence is that the next number is just the numbers added together.
1+1=2
1+2=3
2+3=5
3+5=8 You get the point.

The fascinating thing about the Fibonacci sequence is that when divide the second number by the first you will get decimals but once you get down to dividing 377 by 233 you should get a decimal that is 1.618 etc. From that point on the only decimal you will get is that 1.618. Mathematicians call that the Golden Ratio because it is the only natural ratio that is found in nature. Need more info I have YIM.

2006-11-20 12:53:52 · answer #1 · answered by smartgrl_09 2 · 1 0

The actual rule for the sequence doesn't really start until the third term. The first two are just used to define it. Starting with the third term, you add the two previous numbers
1 + 1 = 2
2 + 2 = 3
2 + 3 = 5
3 + 5 = 8
5 + 8 = 13 (the next term)
This is a famous sequence called the Fibonacci sequence.

2006-11-20 12:46:01 · answer #2 · answered by dmb 5 · 2 0

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2016-12-17 13:27:58 · answer #3 · answered by salguero 4 · 0 0

You are adding the preceding number to each number to get the next number. There are two ones because the nubmer before the first one is no number (zero) even though it is not written there.
really it is 0,1,1,2,3,5,8,13

2006-11-20 12:45:21 · answer #4 · answered by ignoramus 7 · 1 1

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