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Sum of first n natural numbers=n(n+1)/2

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Sum of first n natural numbers=n(n+1)/2
  • 3 answers

King Adithya H M... 3 years, 5 months ago

sñ =1+2+3+4......+ñ sñ=ñ/2[2(1)+[ñ-1)1]=ñ(ñ+1)/2

Itachi Uchiha ? 3 years, 5 months ago

meet.google.com/vkd-rwgd-dbx join this link

Muskan Sharma 3 years, 5 months ago

Sn= 1+2+3+4+5+........+n Sn =n/2(2(1)+(n-1) 1) = n(n+1)/2
http://mycbseguide.com/examin8/

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