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Rajan@2021
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Find the sum of first 1000 positive integers.

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We have been asked to find the sum of first 1000 positive integers from ML Aggarwal Avichal Publication Arithmetic Progression chapter 9 question no 19 (i)

Sir please give me a detailed solution of this question

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  1. Sum of n positive integers=2n(n+1)
    For 1000 integers, n=1000
    =21000(1000+1)
    =500×1001
    =500500

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