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hey, Lets start some math discussion!
im trying to prove that
area of circle =pi r^2
and area of ellipse = ab pi
(is it ab pi?)
and i found out something interesting:
that pi =
lim n-->infinity (4/n^2) * (times)
n
sigma [ square root (n^2 - k^2) ]
k=1
is it right? or not?
if it is, any idea to prove it?
(tormod, how can i upload some images??)
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I have mistaken, apologized, and taken the consequences. My only regret, was for how I was bothered by the unchangable.
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