Formation, Sayniska
Fermat ee Aragtida soo dhaafay iyo kaalinta uu ku leeyahay horumarinta xisaabta
Fermat ee Aragtida la soo dhaafay, oo ay qarsoodiga iyo search dhammaadka lahayn xal u qaataan xisaabta siyaabo badan oo meel gaar ah. In kasta oo xaqiiqda ah in xal fudud iyo xarrago leh waxaa la ogaaday in dhibaato this u adeegay sidii wadadii uu tiro ka mid ah helay duurka ku ah aragtida set , iyo lambar. Helitaanka jawaabta isu bedeshay habka xiiso tartanka u dhexeeya dugsiyada xisaabeed dunida keentay, iyo sidoo kale shaaca ka qaaday in tiro aad u badan ee is-baray leh habab asalka u ah dhibaatooyinka xisaabeed oo kala duwan.
Per Ferma ahaa tusaale iftiimaya xaqa is-baray noocan oo kale ah. Wuxuu ka dambeeya tiro ka mid ah fikradaha xiiso leh iyo caddayn, ma aha oo kaliya in xisaabta ka tagay, laakiin sidoo kale, tusaale ahaan, in physics. Si kastaba ha ahaatee, wuxuu noqday caan ah oo inta badan ay sabab u tahay rikoorka yar oo ku yiil beerihii "xisaab" Diophantus sahamisa markaas caan qadiimiga ah ee Giriiga. entry Tani waxay sheegayaa in ka dib markii wax badan ka fiirsaday uu helay fudud ah iyo caddayn "run ahaantii cajiib ah" ee uu Aragtida. Aragtida Tani, kaas oo noqday kuwa loo yaqaan "Fermat ee Aragtida soo dhaafay", ayaa sheegay in hadal x ^ n + y ^ n = z ^ n aan la xalin karo, haddii qiimaha n waa ka weyn laba ka badan.
Xaggiisa Per Ferma, in kasta oo sharaxaad ka tegey on beeraha, ma jiraan wax xal guud oo ka danbeeya ma tago, sidoo kale dad badan oo la geeyay caddeyn Aragtida this, cadaato yaraa ee hore iyada. Dad badan ayaa isku dayay in la dhiso on cadaymaha la helay by beerta of postulate this ee kiiska gaar ah marka n waa 4, laakiin waxaa soo baxday in haboonayn in fursadaha kale.
Leonhard Euler leh dadaal weyn maamula si ay u caddeeyaan Fermat ee Aragtida ugu danbeysay ee n = 3, ka dibna lagu qasbay in ay ka tanaasulaan raadinta, ka fiirsaneysa inay iyaga Xumo falayaal. Waqti ka, sida hababka cusub ee go'aan ka soo baxay nooc aan la koobi karayn ayaa la soo bandhigay in kacaanka sayniska, Aragtida this ayaa helay caddeyn ah oo duurka ku of tiro 3 ilaa 200, laakiin weli ma aysan awoodin in ay u xaliyaan marka la eego guud ahaan.
wadadii New Fermat helay horrantii qarnigii labaatanaad, markii abaalmarinta lagu dhawaaqay in a boqol oo kun oo marks in qofka uu ogaado in xalka. xal Search markii qaar ka mid ah, galay tartan dhab ah, kaas oo ku lug leh ma aha oo kaliya saynisyahano caan ah, laakiin sidoo kale in muwaadiniinta caadiga ah jeestay: Fermat ee Aragtida soo dhaafay, ereyada ah oo aan ku lug madmadowga kasta, ayaa si tartiib tartiib ah u noqdaan aan ka yarayn caan ka badan Aragtida ku Theorem, kaas oo, iyadoo jidka ag fadhida ayay hal mar u baxay.
Iyada oo agaa of calculators, marka hore, ka dibna ku kombiyuutarada electronic awood inuu awoodo inuu helo caddayn ah ee Aragtida this qiimaha Rowan badan oo n, si kastaba ha ahaatee, aad u hesho caddeyn weli ma ku waayeen shuruudaha guud. Si kastaba ha ahaatee, iyo diidaan aragtida this mid ka mid ma kari waayeen. Waqti ka, xiisaha loo helo jawaab u ah xujo this bilaabay inuu yaraadaa. Inta ugu badan ee this waxaa sabab u ah xaqiiqada ah in cadaymo dheeraad ah la socday sida heerka afka baarkiisa, taas oo ka baxsan awoodda ninka caadiga ah ee wadada.
Nooca dhamaadka jiidashada xiiso cilmiyeed loo yaqaan "Fermat ee la soo dhaafay Aragtida" cilmi steel E. sirta, kuwaas oo ilaa maantadan la joogo qaaday inay cadeyn u ah kama dambaysta ah ee la xiqiijiyay in this. Haddii shaki saxnimada caddeynta, ka dibna si daacad ah laftiisa Aragtida dhan heshiin.
In kasta oo xaqiiqda ah in maya "xarrago" caddaynta Fermat ee Aragtida soo dhaafay ma helin iyada baaris ayaa ku kordhiyeen muhiim ah in meelo badan oo ka mid ah xisaabta, aad bay u ballaariyo jahooyinka waxbarasho ee aadanaha.
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