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Find the sum of odd integer …

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Find the sum of odd integer 1to2001

Posted by Aman Singh 6 years, 5 months ago

CBSE > Class 11 > Mathematics

1 answers

Archit Garg 6 years, 5 months ago

A=1,an=a+(n-1)d, 2001=1+(n-1)2, 2000=2n-2, N=1001, Sn=n/2(2a+(n-1)d), Sn=1001/2(2002), Sn=1001*1001,

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CBSE > Class 11 > Mathematics