Math, asked by akmeena2005, 1 year ago

what is the formula of sum of natural numbers if n is a natural number??? And

Answers

Answered by anmol962810
2
The formula is.

Sn= n/2 +a+(n-1)d

where
n=number of terms
d=common difference
a=First term.
Sn=sum

Hope you helpful

Answered by manpreeth86
2
n*n+1/2
is the answer

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