Find the sum of natural numbers form 1 to 100?
Answers
Answered by
1
Answer:
5050
Step-by-step explanation:
Sn =n/2(2a+(n-1)d)
n=100
a=1
d=1
so S100= 100/2(2(1)+(100-1)1)
= 50(2+99)
=50(101)
=5050
Answered by
2
Answer:
5050
Step-by-step explanation:
sum of first n natural numbers = n(n+1)/2
sum of first 100 natural numbers = 100(100+1)/2
=(100×101)/2
=50×101
=5050
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