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Odd Sum (
Posted on 20020808
)
Prove that the sum of consecutive odd numbers beginning at 1 (
eg 1, 3, 5, ..
) always adds up to a perfect square
See The Solution
Submitted by
Cheradenine
Rating:
3.9000
(10 votes)
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What, me worry?
 Comment 16 of 17 
I am not clear why all of these proofs, including the posted solution, are so complicated.
The first n odd terms have an average value of n, so their sum = (# of terms) * (average value) = n*n = n^2
Posted by
Steve Herman
on 20141117 21:28:48
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