これの問題で1は謎の記号使われてないのに2,3,4で謎の記号が使われてるのはなぜですか？

4. f(x,y) = ev (x+2y), (a,b) = (0,0) 問題5-8 問題5-5の2変数関数f(x,y) と点(a,b) について, f (x,y) の (x,y) = (a,b) における2次のテイラー展開を求めよ (2次以上の項を剰余項とし, 剰余項も明らかにすること).

どなたか解説していただけないでしょうか🥲‎

過 i TOEIC READING Part 5 Incomplete Sentences AnswerHub A word or phrase is missing in each sentence. Select the best answer to complete the sentence. 13. The book is so (A) interest (C) interested x 14. Andrew was very would never see her again. (A) disappointing (C) disappoints x 15. The train departs soon, (A) arrival (C) arriving that I want to read it again. (B) interesting (D) to interest D with Kathy's behavior at the meeting and said he (B) disappointment (D) disappointed B in Osaka at 7 p.m. (B) arrive (D) arrived A B D V 16. If you do not have your seat belt , you can be fined. (A) fastened (B) fasten (C) fastens (D) fastening B C 4/17. in simple English, this book is easy to understand. (A) Write (B) Writing (C) Written (D) Been writing B D 18. The survey tells us that our customers are with our service. (A) pleasing (B) pleased (C) pleasure (D) please * 19. I found my colleague e-mails at the café. (A) check (B) checking (D) checks (C) checked (E how to use the new tablet, I asked my son for help. V20. Not (A) know (C) knowing (B) known (D) To know B Unit 10 Business 71

左の化合物から、右の化合物を作る時の反応機構を教えてほしいです🙇‍♀️

ari OM OH NH₂

なぜこの文から「read」が過去形だと判断できるのでしょうか。 答えは②です。

190 Susan read the book (oo) worsnim) (東洋 基本 ①as carefully as she can 頻出 2 as carefully as she could 3 as she can as carefullybo4 as she could as carefully ( et) aid se bo 28

2の問題でe^-x²≦e^-xが分かったのだからわざわざ0から1の積分と1から∞の積分で分けないで、0から∞の積分で行けると思うんですけどどうなんですかね？

問題 7-9 以下の広義積分が収束するか発散するか判定せよ. 1. e-x 1+x2 dx -x² 2. for e² dr dx

この問題でなぜ、f(-1)の時を考えずf(0)の時を使っている理由が分かりません。どなたか分かりますか？

問題1-6 方程式 24 +23 +22 +æ=1が-2<x<1の範囲で少なくとも異なる2つ の実数解をもつことを示せ. 与えられた方程式の左辺が, æ=1やæ=-2において、どのような値をとるか考える。 leo

19番以外の解説してほしいです🙇🏻⋱

doing e TOEIC READING Part 5 Incomplete Sentences AnswerHub A word or phrase is missing in each sentence. Select the best answer to complete the sentence. x 13. He promised (A) not be (C) not being × 14. I want you (A) finish (C) to finish X 15. Please let us (A) know ✓ (C) to know x 16. They made her (A) sign (C) signing x 17. This book will help us (A) will understand (C) understanding 18. I don't mind (A) drive goin (B) not to be late again. (D) being not the job by 10 tomorrow morning. (B) finishing (D) will finish if we can help you. (B) knowing (D) will know F text Que D Yo A B D for B eithe the contract against her will. I loo (B) signs (D) to sign B C help+N+ do Yours more about linguistics. Gear (B) understand D. Human (D) understood B if you are tired. ()(B) to drive (D) driven (C) driving 19. Would you like something (A) drink (0) (C) drinks ✓ (B) drinking (B) (D) to drink smas (A) C A B (A) to be (C) has been 20. Richard was a great tennis player and he lived 100 years old. (B) being (D) to have been A B (A) ta (B) p (C) pe (D) ac 34 STEP-UP SKILLS FOR THE TOEIC® L&R TEST: Level 1-Basic- (A) Bet (B) Eith (C) Neit (D) Both

SO3と、NO3-のルイス構造はこれであっていますか？

①.. SO3 + Só . :0 =

123の答えが選択問題でNeverthelessです。文脈的に逆説の語が入ることは分かっていたのでalthoughにしたのですが、なぜ同じ逆説の語でもalthoughではなくneverthelessなのですか？

Questions 121-124 To: Emily Pearson, entertainment writer From: Sabrina Young, editor in chief Date: February 26 Re: Upcoming Interview Hi Emily, ここも チェック! 同様 ま & esigen (A) Thanks for agreeing to cover the exclusive story on Hugh Macaulay. There has been one change, however, to the schedule I already e-mailed 121. you. Mr. Macaulay's manager has informed me------- he will no longer be available on Friday as discussed. requested that the interview be 122. brought forward to next Tuesday. I realize this does not give you much time to prepare. I'd like you to send me an overview of your* interview questions by the end of the week. ---- 123. ----. If 124. you have any questions, I will be in my office for most of the afternoon. Sabrina ま :

of allのofがなぜこの位置にいるのかがわからないです。 all ofとは訳し方は異なりますか

16. Research indicates that of all the customers - -- register a complaint, 60 percent will return if their complaint is resolved satisfactorily. (A) who (B) whose (C) they (D) what (8) nerff-(0) herW (0)