Find the sum of odd integers …
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Posted by Athira Sv 5 years, 1 month ago
- 2 answers
Yogita Ingle 5 years, 1 month ago
The series of odd integers from 1 to 2001 is,1,3,5,7..............,2001
a=1
d=3−1=2
l=2001
an = a+(n−1)d
2001=1+(n−1)2
2000=2(n−1)
∴n=1001
Sn=n/2 [a+l]
=1001/2 [1+2001]
=10,02,001
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Sehaj Gamer? 5 years, 1 month ago
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