有人可以麻煩幫我看有沒有寫錯嗎🙏🙏

大二工數 第13題 麻煩了

oo 「IEI] INITIAL VALUEF PROBLEMS (IVP5) volve the IVP. Show the steps 0 derivatlon, beglnnl the general solutlon. 1 xy' +y==0, (4)=6 12.1bao104O9便) 美 13, y'cosh7x 二 Sin? 唱和 分 14. /丰三 一2上五 7了0) 15. y =一4x/y, y(2) 三3 16. )》-GC十y 2 (Set 三 直上 17, 人 y》 加 3 cosg (Set y/x 二9) Gy/>), 》(1) 三 0

請問A為何不能選

10 1 past, people generaly | inthe ! hieWe ake 5ignif Fame has never been a very ea5Y thing 0全 War 50n5, 呈 人Ga | had to star in hit movies, write and perfor呈 全 Latety however sc me And one Internet website uTube- jous due to the popularit YourTube celebrities are people wh tf6mous one5 speclallze ona of the videos that they upload on the web ite. he m0d ic justto namme af particular subject such as video Bames, 說渡 讓 imply di 沁 Some produce very creative short ims 0f their 0OW0 whte 品 品 atopic. One tning that most of them have in COmQm howeVer, 閃 that they are quite young; sorme are stilt in elementary school! to bthese YouTubers' videos have run up tens ofbillions ofviews Being a youTube celebrity ts not just about tu. Mamy afe able to mmake very lar8e Sums of money mostly through sqvertisnee One gfthe most famous YouTubers, videogame vlogger PewDiepie, earns 晤 estimated USS12 milliOn per year: Perhaps the most successful of these tnternet se0sati0ns, however is snger Justin Bieber 8 The Canadian popstar was discovered byamusic producer in2 on Yourube. 5ince then he has become one 0fthe mos 008 through his posts tf performers 0f his generation. YouTube gavehim,; mous and successful racta huge和baseand 和 achievements in busi golities or other 22 虹 business, poliitt ewel KmOWf! way to at

請求各位的幫助！拜託了能幫我看一題是一題🙏

Although stories about aliens have never been officially confirmed, thelr existence has been widely speculated upon. Many people believe that 1 __from outer space have visited us for centuries. Some say that life on Earth 2 “out there and was seeded here. Others_ say that aliens have 3 what happens on Earth, and are responsible for quite a few legends, and that the ancient Greek and Roman gods, _ 4 thefairies and dwarfs in many classicaltales, WerTe in fact “Space people”living here. Stll 5 _say that aliens were Tesponsible_ for the * growth of highly evolved civilizations which have_6 - perished, including the Incan and Mayan civilizations and the legendary Atlantis. Alot ofancient civilizations, “7 __the Egyptians, Hindus, Greeks, and Mayans, have ]eft writings and _8 which indicate contacts With superior beings “from the stars.”Many believe that the aliens are here to help us,while Others hold that the aliens intend us 9 __.Still others think that most aliens visit Earth to Study us like our scientists Study primitive natives and animals, and have no interest in helping us_10 It is difficult to comment conclusively on these theories in general, apart from saying that any and all of them might be possible. Maybe time will tell 93 年學測 (tfA) as well as (B)belngs (C) drawlings (Djin any way “(E)keptan eye on (F)like (G) others 出 originated (Isince (JD) harm 全 Ans 較 以 , 有 轉 T Wi 力 eonfirm [km'fwm] @ 證實 人 apart form 遠離; 除~以外 人金 originate lsrdsanetl @ Time will tell.”時間會說明一切。

求第一及第三題的Yp如何假設

Section 2有.4 Problems 一 蔭 和 9玫22人9史約史六 Jan each of Problems 1-6, ind a generat soVuttown St和 AA y' 一 the method of variation of parameters tor a parttcuYar My SoJution of the nonhomogeneous edquattom. 7 - 訖9一tanGo M. y 2. 一 4 十 3y》 三2cos(Gx 十3) 5 人 六 十 9 二 12 sec(3x) AG6。 4 2 3 和 導?-少+科和和 6. )/ 一 5)/ 十 6y 三 8sin~(4x) nm each of Problems 7一16, finda general soVWAtYWOW,WSYWt O3tWVGV- 生enmethod Of undetermined coefftclents tot a jar soJutlion of the nonhomogeneous equa3tlot.

請問一下，第45題怎麼算

96d nt” Chemieal EdUUDT LT 人 說 1 ction below ata certam 1 全 同 同 equilibrium ee 說 ii [Ho2] 三 0.0500 TE 、 ipid container are 總 人 2 抽 Ho(g) + 到(tg) 三一 2HF(g) /@巡 > 1 / 1 語全 全胸 : iibri mmIXtUure, 0 2 於 了 人 0.200 mole of Fz is added to this 1 gquilib- thee 2 caJcuJate the'corcentrations 9f a11 gases 1 )。 入 rium is reesfablished- 2 只汪 人 和 沿之 / (9 1100 K, 及p 0.25 for the following reactlon 1 三入 3 、 一一 所 全生 /4 2SQ23(g) 十 Qz(g) 二二 250O3(9 du Ttbe 選娘 an ial pressures of 502, 人2 te 全 了Cajculate the eduilibrium Partial pressure 人 同 葬 也62人 5O3 produced 自om an initfaL_mixrure In 8 oo 三 Po 王 0.50 atm and Pso, 三 0. 2人 三人 1和 宅及林用 生 ” 46. At 22002C 肥 三 0.050 for the reaction 2509 4 2 yy2(9) +O2(g) =二 2NO() 的 What js 和the partial pressure of NO at equilibrtum as 人選 9 suming he N2 and O2 had initial pressures of 0.80 atm 全 // -彈d 0.20 atm, respectively? @ / 32 5 相/ 和pe )f reactiOn_ we wi study is that having a very 汪 補- 六sma上有value (K<< 1 Solving for equilibrium concen- 一條0說人 frations jm an eduilibrium problem usually requires many mathematica| operations to be performed. How- 說 和 even the math involved in solving edquilibrium problems 。。 %6 2 Ina D6909 , for feactions having smal| K values (K << 1) 1s simpli- 527- fied. Whatassumption js made when solving equilibrium 1 Concentrations for reactions having small 太 values? 534 Le 台 戰 Whenever assumptions are made, they must be checked ler ? (吃 hdiry np general the 59 rule> is used to check t cd 旨 Me Vaudlty of assuming thatx (or 2x, 3x, and so on) is ga 只 sma compared to some number Whenx (or 2x, and so 1 less than 和

求解3.79！！

點 Dofq for unilqferqgl cqses 點 Clear Antibiotic 0 1 Total ]| 24 38 02 外 39 2 66 Total 63 65 128 Dofoq for bilqfTerql cgqses 點 Clear Antibiotic 0 1 Total 3轉3 88 99 29 62 Total 70 02 0

求解59的詳細證明方法 謝謝

5$5. The function ! (b , xIation3] (人 WIN 7/G) 和 xITationa] 60. Pr 1S called the 777cpe/,/rc/7oz. Prove that for no numberc exI does lm 7(y) exist. ( Prove the limit statement. 司 56. 1 三了 i i 一從|) 三 人 lm 7G) =了 痢 lm7c-00 @ 1 27. lm /G) =了 論 lm7/c+人0 58. lim /G) =了 這 lmL/G)一句=0 2 $9. Suppose that 1 信人信導鹿導和 五 了 (a) Prove that 放工 > 0, then 7/(r) > 0 for aJY殼舉仙 62. Prove ! anterval ofthe form (c一十7 2and 有 HINT: Use an c,? argument, settinge 三也 圖 2.3 SOME LIMIT THEORENiS As you probably gathered by Working througfh fhe Previous secfion, He Tather tedious to apply the <, 8 definition of Jmmit time and time agamm- 是襄 general theorems, We can avoid some ofthis Tepetitive work. Of course, themselves (at least the first ones) w征 have to be Proved bye,? We begin by showing that ifa limit exists, ts unlque- THEOREM 2.3.1 THE UNISUENESS GOFA LIMI If lm /G)=Z and Jum7/G)三 2 pgoor We show 乙 二 籽 by proving that the 4

我不太確定自己的答案... 有人能解答一下嗎？？

4 “ 多 駁 有(4 尿 人 號 1 fm 各e paSsf fcw years, Taiwan?s econormy has been stable. There has been nelither boom nor busSt SC Accordinp fo fhe economic data, between 2016 and 2018 , Taiwan“s GDP grew (1 1.251 3.0$%,, C and 2.63 percent per year Per capita GDP for last year was US$24,971, ranked 355 in the Work __ (02) Japan, South Korea, Singapore, and Hong Kong,。 噴 hipgher than China or India. However。 we calcuJate per capital GDP using 及 power_parity,_ which (3) cost ot living 和 tg Taiwan climbs tfo 19 place, overtakin 3哺 Japan and South Ko 說澀 Jofher words, Taiwan'sS 人 1S not going sSHcing 負rough buffer; neItheris im recession, (4 Fueo1i mmnake eet.S 唔 dormestic economy confinues fo grow, why do people have a 288 oft discontentment? 1 pecause-_ real saIaries are not increasing. (5) , food 全 beverage costs are rising every nt that they do not have enough t 且owever not at ai are the public struegling to the e 人 (A) going behind (B) jagging behind ” (C) leaving behind (D) standing 0 (A) fakes by Storm (B) takes by surprise” (C) takes for granted ” (D) takes ln 和 (A)norfhe peneral public desfitufe IS (B)noris the general public destituit 是 / (Cand nor fhe general public destitute is (D) and nor is the general public destitute ,(A) Hence yikewise (C) Meanwhile (DySimilary