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Leonhard Euler was born on 15 April 1707 in Switzerland, he was a mathematician And also a physician. He was the first one who discovered the theory of infinitesimal calculus. Leonhard Euler also played an important role in modern mathematical terminology. In this page you will find and read Leonhard Euler Biography in hindi and Roman Urdu.

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Leonhard Euler

(Biography)

 

Born Date : 15th April 1707

Date Of Death : 18th September 1783

18th sadi ka switzerland ka mathematician or mahir physician leonhard euler tarikh ke intehai zahin or zarkhez zehan logon me se ek hai. us ki tehqiqat or ejadat ke physic or engineering ke medan me mutadid itlaqat hain. 
Euler ka riyaziyati or scienci mozoat pr kaam gair mamoli hai. us ne 32 azim kitaben likhin jin me se mutadid ek se zaid jildon pr mushtamil hain jabke riyaziyat ya science pr mazamin ki tadad secron se tajawuz kar jati hai. us ke scienci maqolat 70 se zaid jildon pr mushtamil hain. Euler ki zehanat ne khalis or itlaq riyaziyat ke har shoba ko bar awar kya jabke riyaziyati physic me us ke izafon ke itlaqat mehdud nahi hai.
Euler ki dilchaspi ka khas medan mechanici amomi asolon ke mutaliq jinhen aizek newton ne pichli sadi me waza kya tha ye sabit karna tha k wo tawatar se zahir hoti khas tabi sorate ahwal ki no pr qabile intabaq hai. misal ke tor pr saiyal made ki harkat pr newton ke qawanin muntabaq kar ke Euler ne ilm harkat saiyalon (hydrodynamic) ki musawaten ikhtara kin. Isi tor ek thos jisim ki mumkina harkat ke mohtat jaize se or newton ke qawanin ka italaq kar ke Euler ne musawaton ka ek majmoa tashkil dya jo mukamal tor pr ek thos jisim ki harkat ka tain karta tha. amli tor pr madi ajsam yaksar be loch nahi hote. Euler ne lachak paziri ne nazarye me amli giran qadar izafe kye jo ye bayan karta hai k kis tarha thos ajsam beroni qowaton ke asar se be dhange ho jate hain.
Euler ne ilm falkiyat ke masail ke riyaziyati tajziye pr bhi apni tawaja markoz ki khas tor pr seh jismi (three body) masla jis ka taluq is sawal se hai k kese suraj, zamin or chand ek dosre ki kashish saqal ke tehat gardish karte hain. Ye masla aaj bhi hal talab hai. itefaq se Euler hi 18th sadi ka wo mumtaz scientist tha jis ne (jesa k sabit hua k baja tor )roshni ki lehron ke nazarya ki himayat ki.
Euler ke bar awar zehan ne amoman riyaziyati daryafton ke lye nuqtae agaz ka kaam kya jin pr kaam karne se digar afrad marof hue. Misal ke tor pr joseph lois ligereng  ne jo ek francici riyaziyati physician tha musawaton ka ek majmoa tashjkil dya (ligereng ki musawaten) jin ki be baha nazaryati ahmiyat hai or jo mechanisium me masail ke aksaryat ke hal ke lye istamal hota hai. bunyadi musawat Euler ne daryaft ki so amoman use “Euler – ligereng musawat) ka nam dya jata hai ek dosre francici mathematician zan babtsat forior ke sarahum riyaziyati minhaj ke ikhtra ka sehra bandha jata he  jo “forior ka tajziya” ke nam se marof hai. is misal me bhi bonyadi msawate liyon  hard Euler ne hi daryaft ki jinhe “Euler _forior kalya” ke nam se jana jata hai. is ka tabiyat ke mutadid shobo jese  sotiyat or barki maqnatesi nazarya me nehayat aham italaq  mumkin hai. 
Riyaziyat  ke hawale se Euler ki dilchaspi ke medan alim alahsa ikhtilafi musawaten or ghair mehdod tamulat wagera hain.  in shobon me us ke azafe, aghar cha bohat ahum he lekin wo is qadar tecniqi noiyat ke he k yahan un ka bayan be mazgi paida kare ga. tagirat ke alim alahsa or pechida aadad ke nazarye ke hawale se us ke izafe in shobon me bad me hone wale tamam tar irtaqa me bonyadi ahamiyat ke hamil hain. dono mozuat khalis riyaziyat se apne rabt khas ke elawa scienci tahqiq me mutadid hawalo se qabil italaq hain.
Euler ka kalya “Q isin + cos Q = 10 “alim maslas (trigonometer ) se mutaliq wazaif or takhilati adad ke bich taluq ko zahir karta hai or ise monfi adad ka logaritham malum karne ke liye istamal kiya ja sakta hai. ye riyaziyat me sab se ziyada istamal kiya jane wala kalya hai. Euler ne tajziyati alim aladad par ek nisabi kitab bhi likhi . is ne ikhtilafi or amomi alim hindsa me mutadid giran maya izafe kiye.
Agar cha Euler me riyaziyati daryafton ka ek mawafiq johar mojud tha jo scienci tahqiq me bhi kam ata. Tahum wo khalis riyaziyat ke medan me bhi isi darja ahal tha. bad kismati se nazarya adad me is ne mutadid izafe kiye tahum wo apni asiraul fehmi ke bais qabil zikar nahi hain. Euler (topology) ke shoba me bhi ibtadai mehqiqin me se tha  ye riyaziyat ki ek shakh hai jese 20th sadi me ahmiyat hasil hui.
Euler ne riyaziyati tarsim adad ke hamare mojudah nizam me bhi kai aham izafe kiye. Euler switzerland me 1707 me “basil” me paida hua 1720 me wo basil univercity me dakhil hua ‘ jab wo sirf 13 baras ka tha. awal awal is ne alhyat ka mutala kiya ‘ jald hi wo riyaziyat ki taraf ragib hua . 17 baras ki umar me us ne basil univercity me se master degree hasil ki. 20 baras ki umar me us ne ros ki ketherain awal ki us peshkash ko qabol kiya k wo senet petrez barg ki acedmi barae scienci alom me shamil ho jae. 23 bars ki umar me wo tabiyat ka proffesor ban gaya or 26 bars ki umar me wo marof mathematician denis barnoli ke janeshin ke tor par riyaziyat ka profesor bana. 2 sal bar wo ek ankh ki benai se mehrom ho gya. Tahum us ne usi shidat se apna kaam jari rakha. Or musalsal waqi mazamin raqam karta raha.
1741 me proshia ke frederk azam ne Euler ko behla phusla kar berlan me acedmy barae alom me bula lya. Jahan wo 25 baras raha. 1766 me wo ros wapas aya jald hi us ki dosri ankh ki binai bhi hati rahi. Is saneha ne us ki tehqiqi kaam ko muqata nahi kya. Euler ek shandar qowat hafiz ka malik tha wo 76 baras ki umar me 1783 me sent peterz barg me fot hua. Tahum akhir tak wo riyaziyat me ala darja ke mazamin likhwata raha. Euler ne 2 shadiyan kin us ke 13 bache the jin me 8 bachpan me hi allah ko pyare ho gae.