Find the sum of odd integers from 1 to 2001.
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here's your answer hope it helped u
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Heya....
Hereis your answer...
The ap is 1, 3, 5,........... 1999, 2001
.
Here a=1
D=3-1=2
An=2001
Since An= 2001
A+(n-1)d =2001
1 + (n-1)2 = 2001
n-1 = 1000
N = 1001
The sum of the ap is
Sn = n/2(a +an)
=1001/2 (1 + 2001)
=1001/2 ×2002
=1001 × 1001
=1002001
Hope it helps you
❤️
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