Math, asked by satwanatsingh001186, 8 months ago

Sum of series : 1+2+3+...........+n is A) n(n+1)/2
B) n(n+1)
C) (n+1) (n+2)/2

Answers

Answered by bendzuvichu226

3

Step-by-step explanation:

answer is b) n(n+1) answer

Answered by hridayeshdas2007

0

Answer:

HI

OPTION B IS YOUR ANSWER

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