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| '''Pietro Mengoli''' (1626, [[Bologna]] – June 7, 1686, Bologna) was an [[Italy|Italian]] [[mathematician]] and clergyman from Bologna, where he studied with [[Bonaventura Cavalieri]] at the [[University of Bologna]], and succeeded him in 1647. He remained as professor there for the next 39 years of his life.
| | The name of the author is Luther. The favorite hobby for him and his kids is to play badminton but he is having difficulties to find time for it. Bookkeeping is what she does. Her family lives in Idaho.<br><br>My homepage [http://Dotnetnuke.joinernetworks.com/ActivityFeed/MyProfile/tabid/61/UserId/5304/Default.aspx Dotnetnuke.joinernetworks.com] |
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| [[File:Pietro Mengoli.gif|thumb|Pietro Mengoli.]]
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| In 1644 it was Mengoli who first posed the famous [[Basel problem]], solved in 1735 by [[Leonhard Euler]].
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| He wrote a paper in 1650 in which he proved that the sum of the [[alternating harmonic series]] is equal to the [[natural logarithm]] of [[2 (number)|2]].
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| He also proved that the harmonic series does not converge, and provided a proof that [[Wallis' product]] for <math>\pi</math> is correct.<ref>Hofmann, Joseph Ehrenfried (1959). ''Classical Mathematics''. Translated from the German ''Geschichte der Mathematik'' by Henrietta O. Midonick. New York: Philosophical Library Inc.</ref>
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| ==References==
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| {{reflist}}
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| ==External links==
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| * {{MacTutor Biography|id=Mengoli}}
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| {{Authority control|VIAF=42902440}}
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| {{Persondata <!-- Metadata: see [[Wikipedia:Persondata]]. -->
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| | NAME = Mengoli, Pietro
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| | ALTERNATIVE NAMES =
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| | SHORT DESCRIPTION = Italian mathematician
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| | DATE OF BIRTH = 1626
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| | PLACE OF BIRTH =
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| | DATE OF DEATH = June 7, 1686
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| | PLACE OF DEATH =
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| }}
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| {{DEFAULTSORT:Mengoli, Pietro}}
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| [[Category:1626 births]]
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| [[Category:1686 deaths]]
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| [[Category:Roman Catholic cleric–scientists]]
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| {{Italy-mathematician-stub}}
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Latest revision as of 22:10, 21 April 2014
The name of the author is Luther. The favorite hobby for him and his kids is to play badminton but he is having difficulties to find time for it. Bookkeeping is what she does. Her family lives in Idaho.
My homepage Dotnetnuke.joinernetworks.com