Question

sum of all natural numbers on easy language​

Answer 1

Answer:

The infinite series whose terms are the natural numbers 1 + 2 + 3 + 4 + ⋯ is a divergent series. The nth partial sum of the series is the triangular number. which increases without bound as n goes to infinity. Because the sequence of partial sums fails to converge to a finite limit, the series does not have a sum.

Answer 2

it's answer is -1/12 .... given by the famous mathematician Ramanujan