Find the sum 1+2+3+.......100
Answers
Answered by
2
Step-by-step explanation:
This is an A.P. in which a=1 , d=1 ,n=100 . =50×101 = 5050. Answer.
Answered by
0
Answer:
5050
Steps of explanation:-
Sum of 1st n natural numbers = n(n+1) /2
=100(101)/2
=10100/2=5050
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