Question

Write the sum of first ‘n’ positive integers. ​

Answer 1

Answer:

FOR any set of natural numbers, Sum of consecutive natural numbers i.e 1+2+3+4+…. +n= [n*(n+1)]/2.

Answer 2

Answer:

{n*[n+1]}/2=n^2+n/2

Step-by-step explanation:

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