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let there be n numbers from 1 to n(1,2,3...)find the sum of first n terms(formula only)

let there be n numbers from 1 to n(1,2,3...)find the sum of first n terms(formula only)

Grade:11

2 Answers

arunkumaran
102 Points
4 years ago
let there be n numbers from 1 to n(1,2,3...) is  llast  term is  n
so the formula is [n(n+1)/2]                                            this is the anser
Harsh Jain
31 Points
3 years ago
If you wanna find sum of N terms from beginning then the formulae is ..{N(N+1)}/2Where N is the number of terms

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