Formula for calculation of sum of natural numbers
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For first n natural numbers
sum =n(n+1)/2
sum =n(n+1)/2
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Sum of natural no. Is
n(n+1)/2
where n is the last no. of natural no.
example:
sum of natural no. from 1 to 10
10(10+1)/2
10(11)/2
110/2
55
n(n+1)/2
where n is the last no. of natural no.
example:
sum of natural no. from 1 to 10
10(10+1)/2
10(11)/2
110/2
55
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