白チャート数IIIの数列の極限の問題です 2枚目の紙の☆→♡への式変形が分からないので解説をお願いします〜>_< (2枚目の紙は単純に白チャートに書き込みすぎてぐちゃぐちゃだったから書き直しただけです())

この命題の対側 (2) 無限級数 1+ + +...+ 1 3 n 命題が直 CHART ・対偶も & GUIDE ず再 ここで,m→∞のときぃ となる。 ∞ 発 例題 展 37 無限級数が発散することの証明 (2) (1)は自然数とする。1/12/10/ 1 2 <<< 標準例題22 ①①① k=1k +1 を数学的帰納法によって証明せよ。 1 ・+・・・・・・ は発散することを証明せよ。 無限級数が発散することの証明 (部分)> (∞に発散する数列)の利用 (2)(1)の不等式を利用する。 M 65 2 すると1/2 発展学習 2m 解答 1 n (1) k=1 k ・分子をnで割る。 IS [1] n=1のとき 1/2=1+1/2=1/2 {a} は収束するか 限値は0ではな (2)- 2m + 2k +1 ...... (A) とする。 '+1 ゆえに, n=1のとき(A) は成り立つ。 [2]n=m(mは自然数) のとき, (A) が成り立つ、すなわち1+1が成り 2+1 これをくり返し ( [ 「 m+1 立つと仮定すると n=m+1のとき ' 1 21 21 m 1 1 +1 + + k=k k=1k k=2+1k 2 2m+1 2m+2 2m+1 利 無限級 m +1+ + 1 2"+1 2m+2 1 1 ・+・ + 2"+2m -I' 例題 37 (2) m 1 m+1 +1+ •2m +1 2 2m+1 2 よって, n=m+1 のときにも (A) は成り立つ。 これを示したい [1] [2] から, すべての自然数nについて (A)は成り立つ。 21 (2) S=1/2" とすると, (1) から m +1 k=1 k k=1 k 2 ここで,m→∞のとき n→∞ m ゆえに limSlim n→∞/ るから, S である。」 よって発散する!! m n=1 n 2 E 621 1 d T TRAINING 1 37 ⑤ 00 2が発散することを利用して,無限級数Σ n=1 n m-00 2 追い出し +1=8 0 1+2+2 =2m+1 m 2°+2+2+2 m は発散することを示せ。 n=1 n 2m+2nt m [ 22 +2.2" M =2(

SO3と、NO3-のルイス構造はこれであっていますか？

①.. SO3 + Só . :0 =

至急お願いします。 英語の穴埋め問題なのですが教えていただきたいです

Part 5: Incomplete Sentences A word or phrase is missing in each sentence. Select the best answer to complete the sentence. 51. Mr. Egan has offered New York. (A) making 52. (C) made the restaurant reservations for the annual meeting in (B) to make (D) being made A B C D low gasoline and diesel prices, the oil company plans to keep on expanding its domestic distribution operations. (A) Between (C) Except 53. Contrary to trip. (A) where (C) what (B) Despite (D) Unlike A B C D he actually had in mind, Lester spent all of his savings on his (B) which (D) that A B C D 54. In today's digital business world, IT networks must respond to progress in technology. (A) quickly (C) quickness (B) quick (D) quicken A B C D 55. We guarantee that delivery will be made 10 days after you place an order on the Web. (A) within (B) for (C) by (D) onto A B C D 56. The president team. the manager to hire three new employees for the accounting (A) intended (C) offered (B) provided (D) permitted A B C D 57. It is admirable that Ms. Arroyo wishes to handle all the transactions by (A) one (C) hers (B) her (D) herself 12 A B C D

The good life is one inspired by love and guided by knowledge. これのoneはあってもなくても良いのですか？

答え教えて欲しいです。英語全くわからん人です！ 答えだけでいいので！

Idea Generation 1~5の文を読み、 犬派 (a) と猫派 (b)、 どちらの意見か判断しましょう。 1. Dogs are faithful. 2. Cats are not so friendly. 3. Dogs bark a lot and disturb the neighbors. 4. A cat doesn't need as much attention as a dog. 5. A dog will protect your house. a/b a/b a/b a/b a/b

英語の並べ替え問題です。選択肢のto余ってしまって、どこに入れたらいいかわかりません。 The Feline Immunodeficiency can (be transmitted to any animals of the cat family ), but not ... 続きを読む

The ministry plans~among them.までの文章は、どこが主語でどこが動詞なのか分かりません。 お時間ある方で構わないので解説お願いします🙏🏼

The ministry plans to continue to require payment service providers to dis information about fees to encourage competition among them. It is said that the panel is expected to draw up guidelines. They should increase transparency and eliminate concerns among retailers. time between when transactions are completed

見にくいですが、1.の答え合わせと、2の回答を教えて下さい。

1 Complete the sentences with a, an, the or no article (-). 1 Is there a hotel? my bus to the airport from 2 Our centre is equipped with the latest facilities. 3 How long have you been learning to speak ____ Chinese? 4 Could I have a cup of tea, please? 5 Sorry, but he isn't at _____ work today. 6 A main exhibition centre is over there. 7 He's a person I mentioned during dinner. You should meet him. 8 Is this an information you wanted? 9 What time's my flight to the USA? 10 I normally travel by a bicycle. 11 I love the vegetarian food. 12 The greatest innovation of twentieth century was the Internet. 13 Are we meeting again on the Thursday? 14 Hi. My name's Elaine Keevey and I'm an accountant. 2 Read eight rules and guidelines for staff working at a conference centre. Add the correct article(s). the 1 All staff must be polite and helpful to trade fair delegates. 2 Remember to wear ID badge at all times. the 3 Check visitors' names on registration list when they enter main venue. 4 If you see visitor who looks lost, immediately offer to help. 5 Staff not wearing uniform will be sent home. 6 Exhibition centre is always closed to visitors on Mondays. 7 For information, direct visitors to Central Registration Desk. 8 If you travel by car, please park in Staff Car Park.

自分の回答があっているか不安なので、４第答えて頂きたいです。 自分の回答はこちらには見にくくなってしまうため書いていません。

Working with words 1 Complete the review of a hotel. Use the answers to complete the puzzle and find the European city where the hotel is located. HOTEL REVIEWS This first-class hotel and conference centre welcomes guests from all over the world. Its 1 facilities are second to none. There are 300 en-suite rooms and five apartment suites. For business guests, it has ten meetings rooms, two of which are big enough to be used as halls. 2 The hotel can also organize events such as guided 3 around the town centre for conference 4 and hotel guests who enjoy a bit of 5 For food-lovers, the four-star restaurant serves regional 6 every evening. All in all, this is a top-class for business and for pleasure. 7 6 1 A fa 0 il i t 1 e S 2 Replace the words in italics (1-8) with the phrases from the list. Add a pronoun if necessary. you hotel? look around meet up with show someone around 3 freshen up eat out pick someone up check in drop someone off Pedro It's difficult to park here. Can I stop and leave drop you off in front of the 1 Sabrina Sure, I'll register 2 and then I'd like to have a wash, and change my clothes 3 Pedro If you like, tonight I can give you a tour of 4 the old city. We could by eat in a restaurant 5 the port. Sabrina That sounds great! I'd rather walk about and See 6 the city than stay in my hotel room. Pedro I'll collect you 7 8 8.30 p.m. We'll see Alberto and Maite in the main square. at Business communication 1 Put the words in the correct order to make expressions. 1 meet person / it's / nice / to / you / in It's nice to meet you in person 2 have / did / finding / you/ any / trouble / us? 3 worry / signing / don't / about / in 4 through / programme / I'll / run / today's 5 this my / come / way / to / office 6 need building / you'll / this / enter / badge/ the / to 7 reception / sure / make / in / at / you / sign 2 Raymond Roberts has an appointment with Janet Rose. He has just arrived at HBG premises. Complete their conversation with the phrases from the list. let me take your bag can I get you a drink Welcome to HBG publishing I thought you could catch up again how was your journey You'll need this Make sure you 1 Raymond Good morning, I'm here to see Janet Rose. Janet Hello, I'm Janet. ¹ Welcome to HBG publishing. Raymond It's nice to meet you in person. Janet Likewise. So, 2 Raymond Well, there were traffic jams on the motorway and I got a little bit lost in the industrial park. Janet Don't worry. That happens to everyone. Anyway, 3 - I'll store it in my office. Raymond I'll hang on to it if you don't mind. It's got all my stuff in it. Janet Well, if you change your mind just tell me. And 4 Raymond Thanks. I'll have a cup of tea, please. Janet Sure, I'll just get that for you in a second. First of all, I'll run through the schedule. 5 start by meeting Karen Rankin this morning and then we'll 6 at lunchtime. Raymond OK. And will I see Malcolm Briscoe? Janet Yes, in fact he's joining us for lunch. One other thing. security pass. at all times. 7 It's your 8 wear it

英語が苦手な専門学生です。 もう本当に苦手すぎて問題すら分かりません。 教えて貰えれば幸いです😔

Yumi: This is a very beautiful doll. I like it a lot. Can I touch it? Marie: Yes, of course. Ah, watch it! This doll is about 100 years old, so it is delicate. very Yumi: Wow, 100 years old! It is very old. Where did you get it? Marie: I found it at a flea market in Paris five years ago. Yumi: And... how much was it? Marie: It was about 20 euros at that time. Yumi: 4 were really lucky. (注)watch it 気をつけて (itの代わりに out や yourself を使うこともある) delicate 壊れやすい a flea market 蚤の市 euro ユーロ (EUの公式貨幣単位) 1 下線部 ①,③, ④の文章を How もしくは What で始まる感嘆文に書き直しなさい。 ℗ How very beautiful this doll is! 3 What an old it is! 4 2 下線部②の命令文 「気をつけて!」と同じ意味になるよう,( 入れなさい。 Watch it = You (be an ) be careful. my 3 英文を読んで,次の問いに英語で答えなさい。 1) How old is Marie's doll? 2) When did Marie get the doll? 3) Where did Marie get the doll? 4) How much was the doll at that time? 内に適語を C O