Math, asked by himanshusonig34, 6 months ago

Sum of series: 1+2 +3+
-- this
(A) nich +1) (b) n(n+1) o (n +1) (n +D Cd) none of these
2
2

Answers

Answered by manaswi78

2

Answer:

n( n+1 )/ 2 is the sum of the series....

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