English, asked by parvathamadity67, 11 months ago

find the sum of first n natural numbers

Answers

Answered by Yogichaudhary0078

1

Answer:

The sum S of first n natural numbers is given by the formula S=2n(n+1). If S=231, find n. ∴n=21 as n=−22 is not a natural number.

Answered by brainlyaryan12

5

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Formula for sum of first n natural number is

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