Sum of first n natural numbers=n(n+1)/2
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Posted by Rishabh Pawar 3 years, 5 months ago
- 3 answers
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
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King Adithya H M... 3 years, 5 months ago
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