ปวงกลม, งกฤษ, circle, เป, นร, ปร, างพ, นฐานอ, นหน, งในเรขาคณ, ตแบบย, คล, เป, นโลก, locus, ของจ, ดท, กจ, ดบนระนาบท, ระยะห, างคงต, วก, บจ, ดท, กำหนดอ, กจ, ดหน, ระยะห, างน, นเร, ยกว, าร, ศม, และจ, ดท, กำหนดเร, ยกว, าจ, ดศ, นย, กลาง, สามจ, ดใดๆ, ไม, อย, บนเส, นตรง. rupwngklm xngkvs circle epnruprangphunthanxnhnunginerkhakhnitaebbyukhlid rupwngklmepnolks locus khxngcudthukcudbnranabthimirayahangkhngtwkbcudthikahndxikcudhnung rayahangnneriykwarsmi aelacudthikahnderiykwacudsunyklang samcudid thiimxyubnesntrngediywkn casamarthwadrupwngklmphanthngsamcudidephiyngwngediywrupwngklmthiaesdngthungrsmi esnphansunyklang cudsunyklang aelaesnrxbwng esnrxbwng khuxesnrxbrupkhxngrupwngklm swnokhng arc khuxswnhnungthiechuxmtxknkhxngesnrxbwng khxrd chord khuxswnkhxngesntrngthimicudplaythngsxngbrrcbxyubnesnrxbwng esnphansunyklang khuxkhxrdthilakphancudsunyklang mikhwamyawepnsxngethakhxngrsmi aelaepnkhxrdthiyawthisudinrupwngklmrupwngklmepnesnokhng curve aebbpidthiaebngranabxxkepnphunthiphayinkbphunthiphaynxk phunthiphayinrupwngklmeriykwa can disk rupwngklmepnkrniphiesskhxngrupwngrithimiofks focus xyuthicudediywknnnkhuxcudsunyklang nxkcaknirupwngklmyngepnphakhtdkrwythiekidcakkartddwyranabthitngchakkbaeknkhxngthrngkrwy epntnphlkarwiekhraah aekikh rupwngklmrsmi 1 hnwy aelamicudsunyklangxyuthi 1 2 0 5 inranab x y khxngrabbphikdkharthiesiyn rupwngklmthimicudsunyklangxyuthi a b aelamirsmiethakb r hnwy khuxestkhxngcudthukcudbn x y thithaih x a 2 y b 2 r 2 displaystyle x a 2 y b 2 r 2 dd smkardngklawkhlxytamthvsdibthphithaokrsthiichbncudthukcudbnrupwngklm thahakrupwngklmmicudsunyklangxyuthi 0 0 dngnnsutrnisamarthldrupehluxephiyng x 2 y 2 r 2 displaystyle x 2 y 2 r 2 dd emuxaesdnginrupsmkarxingtwaepresrim x y samarthekhiynidodyichfngkchntrioknmiti isnaelaokhisn dngni x a r cos t displaystyle x a r cos t y b r sin t displaystyle y b r sin t dd odythi t epntwaepresrim hmaythungkhakhxngmum thirngsicakcudsunyklangipyng x y thamumkbaekn x nxkcaknn inphikdaebbsetxrioxkraf rupwngklmsamarthwadidcaksmkartxipni x a r 2 t 1 t 2 displaystyle x a r frac 2t 1 t 2 lt y b r 1 t 2 1 t 2 displaystyle y b r frac 1 t 2 1 t 2 dd inphikdexkphnthu homogeneous coordinates phakhtdkrwythiepnrupwngklminaetlaranabkhux a x 2 a y 2 2 b 1 x z 2 b 2 y z c z 2 0 displaystyle ax 2 ay 2 2b 1 xz 2b 2 yz cz 2 0 dd phakhtdkrwyid casamarthphisucnidwaepnrupwngklm ktxemuxcud I 1 i 0 aelacud J 1 i 0 wangxyubnranabkhxngphakhtdkrwynn sungthngsxngcudnieriykwa cudechingwngklm n xnnt circular point at infinity smkarkhxngrupwngklminrabbphikdechingkhwkhux r 2 2 r r 0 cos 8 f r 0 2 a 2 displaystyle r 2 2rr 0 cos theta varphi r 0 2 a 2 dd duephim aekikhcudkhxnsaykhlik Concyclic points thrngklm phay bthkhwamekiywkberkhakhnitniyngepnokhrng khunsamarthchwywikiphiediyidodyephimkhxmul duephimthi sthaniyxy khnitsastrekhathungcak https th wikipedia org w index php title rupwngklm amp oldid 8820500, wikipedia, วิกิ หนังสือ, หนังสือ, ห้องสมุด,