We all know that every one knows to count .....But in speed test calculating .... I was vety late adding numbers 1+2+3+4+5 So my dear father who loves mathematics very much taught me methord
N×(N+1) = X
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2
It was an easy method but.... when i came to kow that it was CARL FEDRISH GAUSH (the prince of mathematics ) i was totally ....
I could not belive my own eyes that it is the GAUS theorum .......
It is very easy and took me few minuites rather than adding for many minuites
I ike it very much .......
End
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