#becausemath

[pinksweets87]

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[becauserocks]

1+2+3+4+...

I’ve always enjoyed a good series.  There are a lot of them out there.  The one that I really like is the infinite sum of natural numbers.  

Numberphile did a good job covering this series.

https://www.youtube.com/watch?v=w-I6XTVZXww

I like it because the unusual answer to this infinite series appears in physics.

The answer to the above series is -1/12

1+2+3+4+……. = -1/12

It is not easy to understand this results from mathematical point of view and trying to apply this to physics in string theory or quantum field theory requires suspension of disbelief.

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