Proofs of Divergence of the Harmonic Series - Prairie State College
Proofs of Divergence of the Harmonic Series - Prairie State College
Proofs of Divergence of the Harmonic Series - Prairie State College
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Pro<strong>of</strong> 30<br />
The following visual pro<strong>of</strong>s show that by carefully rearranging terms, <strong>the</strong> harmonic series can be made<br />
greater than itself.<br />
Pro<strong>of</strong> (A): This pro<strong>of</strong> without words was posted on The Everything Seminar (<strong>Harmonic</strong> Digression,<br />
http://cornellmath.wordpress.com/2007/07/12/harmonic-digression/).<br />
: :<br />
. ..<br />
Figure 1: Pro<strong>of</strong> 30(A)<br />
Pro<strong>of</strong> (B): This visual pro<strong>of</strong> leaves less to <strong>the</strong> imagination than Pro<strong>of</strong> (A). It is due to Jim Belk and<br />
was posted on The Everything Seminar as a follow-up to <strong>the</strong> previous pro<strong>of</strong>. Belk’s pro<strong>of</strong> is a visualization<br />
<strong>of</strong> Johann Bernoulli’s pro<strong>of</strong> (see Pro<strong>of</strong> 13 <strong>of</strong> [13]).<br />
: :<br />
.. .<br />
Figure 2: Pro<strong>of</strong> 30(B)<br />
Pro<strong>of</strong>(C): Thispro<strong>of</strong>isavisualrepresentation<strong>of</strong><strong>Pro<strong>of</strong>s</strong>6and7<strong>of</strong>[13]. Withsomeminormodifications,<br />
6<br />
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