Math, asked by anmolkawal45, 11 months ago

write the sum of the first n natural numbers

Answers

Answered by book333

7

Answer:

n(n+1)÷2 is the sum of n natural numbers

Answered by pushkararora1234

3

Answer:

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

sn=n/2(2*1+(n-1)*1)

sn=n/2(2+n-1)

sn=n/2(n+1)

hope it will help u

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