Find the sumof odd integers from 1 to 2001
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Find the sumof odd integers from 1 to 2001
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Answer:
The series of odd integers from 1 to 2001 is,
1 , 3 , 5 , 7.............. ...
a = 1 a=1 a=1.
d = 3 − 1 = 2 d=3-1=2 d=3−1=2.
l = 2001 l=2001 l=2001.
a n = a + ( n − 1 ) d a_n=a+(n-1)d an=a+(n−1)d.
2001 = 1 + ( n − 1 ) 2 2001=1+(n-1)2 2001=1+(n−1)2.
2000 = 2 ( n − 1 ) 2000=2(n-1) 2000=2(n−1)
∴ n = 1001 \therefore n=1001 ∴n=
Step-by-step explanation:
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