Math, asked by 8879561839, 10 months ago

what is the sum of first n natural number​

Answers

Answered by balrajj21
0

Answer:

natural no. are 1234....

1+2+3+4+....+n

Sn= 1+2+3+4+...n

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

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