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Possibly A Discovery:


JMSOG

385 views

WARNING: THE FOLLOWING IS ONLY FOR NERDS AND MATH GEEKS, OTHERWISE IT WON'T BE IN THE LEAST BIT INTERESTING

 

 

 

 

i believe i might have made a mathematical discovery:

 

averageing works by adding a bunch of numbers, and then dividing the sum by the amount of numbers used. an example:

 

(2+6)/2=4

 

now, i found out this:

 

(1)/1=1.0

(1+2)/2=1.5

(1+2+3)/3=2.0

(1+2+3+4)/4=2.5

(1+2+3+4+5)/5=3.0

(1+2+3+4+5+6)/6=3.5

(1+2+3+4+5+6+7)/7=4.0

(1+2+3+4+5+6+7+8)/8=4.5

(1+2+3+4+5+6+7+8+9)/9=5.0

(1+2+3+4+5+6+7+8+9+10)/10=5.5

 

 

did you notice? maybe if i align it along the right it'll be more apparent:

 

(1)/1=1.0

(1+2)/2=1.5

(1+2+3)/3=2.0

(1+2+3+4)/4=2.5

(1+2+3+4+5)/5=3.0

(1+2+3+4+5+6)/6=3.5

(1+2+3+4+5+6+7)/7=4.0

(1+2+3+4+5+6+7+8)/8=4.5

(1+2+3+4+5+6+7+8+9)/9=5.0

(1+2+3+4+5+6+7+8+9+10)/10=5.5

 

each time a new number is added, with one added to it from the previous number, the average increases by .5.

 

i have trouble figureing out an algorythm to prove this...but i came close...

 

two questions:

 

1:is this in any way important?

2:is this already known?

4 Comments


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Hmm. strangely, never realized that until now.

 

Also, there's some thing for squared numbers aswell.

 

3x3=9

4x4=16

5x5=25

6x6=36

7x7=49

 

16-9=7=3x2+1

25-16=9=4x2+1

36-25=11=5x2+1

 

Works for pretty much all numbers.

 

55x55=3025

56x56=3136

3136-3025=111

111=55x2+1

 

124x124= 15,376

Now, to work it out from that.

124x2=248+1=249

15,376+249=15,625

125x125=15,625

 

so the formula would be... a^2+2a+1=b^2

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