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数学 大学生・専門学校生・社会人

最初の2枚の定理等により三枚目の部分分数分解が証明できると思うのですが、赤い線以外の項が出てくることがよく分からないです。 赤い項が出てくるのは因数分解できているからなのですが、それ以外についてがよく分からないです。 B₁=x-a、B₂=(その他)として繰り返すにしても... 続きを読む

定理1 整式 4(7)、 (r) が deg.4 < deg (deg /(z) は、整式 /(ヶ) の次数を意味する) のとき、が(ァ) = 7)用(r) で整式 (7)。 (7) がないに素ならば、 ・ dog <deg deg <deg放| となるような整式 (3) (7) が、ただ 1 組存在する。 系2 問式 4(Z), 2(r) がdeg.4 <degおのとき、 (7) = 放(y)記(2) … (7) で、束式 太G) 記(7) Br) がどの 2 つも石いに素ならば、 dmも<dem訪7ニ12.…7) EE ぢ 記あ…お。 お 邦 となるような整式 (7)、 (7) 4。(z) が、ただ 1 組存在する。 2 旭除法 2 なお、2 つの贅式7?) 9(r) が 万いに素 であるとは、1 次以上の共通因子 (7(z), 9(z) の両方 を割り切る束式) が存在しないことを意味する。 講義では、証明なしでこの定理を紹介しているだけだったので、ここにその証明を簡単にまと めておくこととする。 なお、以下は実数係数の束式 (多項式) を考え とするが、有理数係数の整式に限定しても、 あるいは複数係数の革式に広げても同じ論法が使える。

解決済み 回答数: 2
英語 高校生

なぜ④はだめなのですか? セ 2020

5文章の左にある(])、 lm人/まが なお, 交 に答えよ< っ(A・B)に のを読み 軸 奄点 39 入間gののをし ⑥Mはパラ ey roads running throuai eartob mA res im dfferent pco に le have created vario 9 さ 才 and their uSe Lansport things. and sem and safeb。 Throughow rms Of m 、計 避 imperstive for societis 2 id ue st all aroum 7hese now cis le to move Tartes have enabled people hese roufes 記ormaien from one place to amother 9 ickiy jmformati important in our daily Hves. jistopr they have been iy on knd。 They graduay re often fonmed natural Eary routes were 0 oer iong periods of tmme while PeoPIe Pa PC jane turming point in their history arrived when the firs incant turmi led them on foot か jm andient dimes. Once this happened, people Jeeped me importance of welhmaintained routes. Therefore, towms. di and cmiire comtries improved them in order to prosper. As a resull j Became more convenient。 communities greweconomies evolved, and cuitures expanded。 The importance of land routes increased further。 especialjy after the appearance of automobiles。 ) People have estabished routes on water。too. Rivers and canals have erved as effective routes for people to move around and carry things。 For fsrance ji the od japanese city of Edo, water routes were used for the Transporration of agricultural products, seafood, and wood. which supported Te GyS lfe and economy People have also opened routes across the sea. The seaways, which developed based on winds。 waves Yater depths、 am Cestine geography, were "for the nawigation of ships。 particularly im miy by wind power Tel could hanel great dtanes and go tb places The days when they moved mai Using these sea routes Ca routes emerged, leadimg to te exchange of natural Sources, products ang ideas. Th i adi y。 ThiS in tum、helpea on の

未解決 回答数: 1
英語 高校生

最終段落のピンクの赤線の部分とピンクの矢印からの一文の訳し方がわかりません 熟語とかあればそれも教えてください あか

The Earliest Writing ゞ Very cariy on ple must hawe felt the need to send messages andLKeep records. /Cave dwellers made little piles f stone to mark the boundaries 《f their land) Farmers made scratches on Jameso mark he mumberofdays since he tll moon Other cntches tok shepherds the number Jimsmherrneighbors owed them。 Villagers earned to communicate with diiant Plces using Code df oke agnadls 6PArembeats。 Humters made plctures in sand endon the wals faves From picture writing, called pictographs,( 40 ). jjmon&. some pictures were simplified Men roader meanings Thusza person could write in pictures without having Io Ha ik The picurcsbecame moreabstract orexamplp sing sHck fgtre torePreSenLa hime ang。 jn he other 』 few designs were chosen(om the pictograpDX 4ndywere used Io repreeit the Junds flanguagapd these became an alphabet 22 he development fpicturesyfhto letterS made it possible for more people to learn to readzand っ d mie This developmen also:enabled people to write quickly Trmade it easier or one generation AO V い 和 psonis bestides6 the net generation。Alphabets allowed people far apartto communicate eaSiIy idaury hc recording ofthe hitstory of viizaton was made possible by the carly development6f alphabetic writing) ) ( 41 ),themarks of paper are not important in themselves They are important for what they represent ad-for the job they do. MK) communicate with someone is to share your irmation, experiencescand emotions with that person。 SGmmefhing in one person's mind is put into iiten ymbols ( 42 )|anothertan share it CPerhaps it appears in the form apoemJxwhich an be read and enjoyed by many people. Eerhaps itis only a person' notetoa friend, asking for help. iiingspeaks forthe writeriitrepresents his or her thinking. Cam never be any beter than eees nkng Trthe writer is not thinking ina clearandorganized manner ( 43 ).共 ieyrierdoes notknov the subject/fis orherwritng wil show Hhie ignorane 2

解決済み 回答数: 1
英語 高校生

①new record の内容はどこから読み取れるのですか? ②1枚目の赤線のUS以外は東アジアだということですか?それは知識があること前提ですか? ③23がわかりません あか

(8) 次の英文を読み、下記の設問に対する答えと して最も適切なものを①⑨の中 から 1 つずつ選びなさい。 Japaneee farm erporte ahigb4n the period January June demand for amaneee rm exportehit reco 2 pxporte6fbeerrose 87.4 percent to \10.8 biliop 2 tpe kakofbrisk fat-marbled produets (の OverwlL2mpmnsexports6fagricuiunn enod)it a reerd high 人or the ma the popularity(ot Japanese cuisine jnainly 6n Asia, al forestryand fishe productlinthe oneeeik yea hanke to the Agriculture, Forestrand fisheries Mnistry said recen の Acording to the Minisyy farm exports grew 15.2 peroont fom 3 ye adierto Y485.9 bullion. The surgefn beefexportetwas aupported by brisk demand or fatcmarbled_products。 while shipments(oF beverage9)uch as green tea ro96 22.7pereent to \18.6 bilion on hhe Deck Kgrowing health awarspees (《⑰ Among fte。 pple esports were the Iareest at 59 bHhonyAp Suallop sporte umped 18.7 percent to \25.7 bilion fo lead the seafood percent* sector ⑳め Honig Kong was the largest importex of Japanese farm product9at \98.5 lie wp 73 eene lowet y Chne t Y65a il ma Datet states hon awan at \42.1 bilion and South Korea at \80.5 bihion. () Vany dany fnrm owners(in Japan hawe now changed to beef catde prodnction as the profts are greater iP there are [dgwnsidss.| Domestically produced dairy products such as butter。 cheese.<andmilk were im such short supply that laree amounts ofbutter had to be imported in 2017。 ⑳ るw mew al the beef curentiy moduedfn Japa5 conase 6 uny brandg that ordinary Japanese cannot aflordcand these brands are theretore aimost al exported/2apanese beefis now to expensive for the domestie market ・andgapanese consumers are turning to cheaper foods such as pork。 fsh。 and such a ia frm exports hitrecord high in January-June period。 。。。。。。。 "Hapam TamesGL3D.Auguetnu 208 一部麗

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英語 高校生

答え合わせが出来なくて困ってます💦 わかる人ぜひお願いします🙇‍♀️

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