Psychology, asked by parvathamadity67, 11 months ago

find the sum of first n natural numbers

Answers

Answered by 5hreyash

1

He answer is n(n+1)/2

Answered by rachita07

1

Answer:

The sum of first n natural numbers , Sn

$sn = \frac{n}{2} (2a + (n - 1) \times d)$

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