至急❗️❗️答えがR1212=r二乗cos二乗u1になりません。どこが違うのでしょうか？（球面の第二基本量）

2P 2P Puz e 22 2P fan = tm hoe - hos 2ur aue inur Siake cos cecesuz Sinun simu 2 hu ーFcosurcosu,c05ursimus, ード Sind, cosuirosa2ードタ1au,rosu Sin ve) ax 5 -トトosuicosuz rosu, Sin 4 ヒこaon Fosu, cesu2,-cosuisinuZ ーレsinu ィ-Sinartosug-かialytsina) くカレsのSa)てSoSa)-)x ーSnc,ブ1-c0osar cosuz r-c0 su, sin Clz ,- Sin a,) Sinui ) - Mrcosu13inurSigle-rcosuisinlle Sinazi ├sinu,cosuecese,ート Sinls Fcosaicosu25iaae-とco子u」 Sinue cesue (0,0 f hrz=(-トcosu1coshz iとlos4i5inlz ),e-rosuomerost,Sinse 一ng) osue-fosaisin 42 トsinue Sinazc0su」. -ト 9ihut coshisinez 9inu cosu iosar ート んは1rらinuisinuzirsinay cos42,0 (ー (r sin'uicosuと (0Suicosue,-cosuiSinds. -Sinur) ーrinuicosui ーCOSuiSnds f rsinuiSinuz

関数の極限の問題が分かりません。

lim どー1 メ→! 3Cと-1) の値を極限値を求めることに利茶めよ

この問題が何にも分からないのですが、解いてくれる方いますか？お願いします。

問6| R°の領域D上で定義された正則曲面p:D→R®は E=G かつ F=0 を満たすとする.(このような(u, v) を等温座標系という.)ガウス枠ア= (pu, Pu, U)の微 分を用いて,行列値関数u, Vを F= FU, F。= FV と定める。ガウス曲率を K, 平均曲率をHとする.正方行列U, V に対し [U, V] を [U, V] = UV -VU とおく、以下の問いに答えよ。 (1) KとHをE, L, M, N を用いて表せ、(答えのみで良い。) (2) ガウス·ワインガルテンの公式はクリストッフェル記号T%(i,, k = 1,2) とワイン ガルテン行列A=i-'iiを用いて次のように表される: -T Pu+ T Pe+ Ly, Puu =Ta Pu+T Po+ Mv, Ta Pu+ T Po+ Nv, V=-A P- APor V,= -A Pu- A po. Puu = Puv = 「, , T, T, r, TをEを用いて表せ、また,A, A3, Ab, A3, を E, L, M, Nを用いて表せ、(答えのみで良い。) (3) U, Vを E, L, M, N を用いて表せ、(答えのみで良い。) (4) U, V]を計算すると次のように表される: E,(L- N) - 2E,M 0 -A 2E2 4, V = E,(L- N) + 2E,M 0 A 2E2 B C 0 A, B, C を E, L, M, N を用いて表せ、 (5) 可積分条件U。- V。= U, V), つまりガウス·コダッチ方程式は次のように表される: A(log E) = EX,, L,- M, = H X2, M,- Nu = H X3. このとき,X,, X2, X, をK, E を用いて表せ、 間7| nを整数とする。R? の領域 D上で定義された正則曲面p:D→R’に対して,その第一

わかる方いらっしゃいましたらお願い致します

(7) 次のスペクトルを与える化合物の構造式を示せ。 1H NMR (90 MHz, CDC|) 1H NMR (300 MHz, CDCI3) 2960 2940 2920 2200 2100 2160 900 60 Hz 12 11 10 9 8 7 6 5 0 -1 P-3-553 Ppm Ppm 19℃ {'H} NMR (25 MHz, 25 vol% in CDClk) MS (EI) 100 - 80- 200 180 160 140 120 100 80 60 40 20 0 50 75 100 125 150 CDS-5-566 Fpm m/z IR (liquid film) LOD D 4000 3000 2000 1500 1000 500 AVENUMB ERI- 13N1114SN』 Relative Intensity

(2)の値が分かる方は解答お願いしますm(_ _)m

(各 20点合計 60点) 問題4次の広義積分の値を求めよ。 -20-3y de dy. e D={(z,9)|« >0,y>0} こ TY sin D= {(x, y)|y<e<1, 0<y<1}. da dy. da dy D= {(r,y)|0<a<1, 0<y<1}. +y

並び替えの問題なんですが難しすぎてできる方といて欲しいです🙇‍♀️

does overfishing affect local communities that rely on fishing on a small ocale? 3 Grammar Check Unscramble the following words and complete the sentences. 1. The number of tourists to Japan [ continue, increase, likely, is, to, to ], The number of tourists to Japan 2. Iwill go first [ the, in, up, unless, next, shows, Jessica ] five minutes. ive minutes. Iwill go first 3. An iceberg hides nearly 90 percent of [ surface, mass, the, its, below ]. An iceberg hides nearly 90 percent of

すみません、長文の穴埋めがわからないのでどなたか教えてくれる方がいましたら心強いです！ (1)と(2)がわかりません。

Dear Patron, Thank you for your contribution to the Sunset Maritime Museum. Our efforts to pass on our rich seacoast history to the next generation have been a phenomenal success. We were able to raise more than $60,000 this past year. There are many projects in progress and more planned for the following year. several retired sea captains have been volunteering their time for live 2. storytelling sessions, which have been getting young people interested in boating and fishing. Consequently, we hope to exceed the amount of donations this coming year. An anonymous donor has contributed $20,000 to get the ball --3--.We are delighted about this, as we anticipate remodeling costs of $100,000. We understand that everyone's resources are limited, --a- we ask that you help us spread the word by forwarding this to your family, friends and associates. The Sunset Maritime Museum is a worthy cause. Since the museum reopened, the number of people staying and working in this town after high school, as well as those attending college and coming back here to work in family businesses has increased almost 10%. Help save our local heritage. Your help willbe appreciated for generations to come. SVBd (8) 1. (A) Actually, there were at least a dozen new projects involving seabirds. (B) On the other hand, we didn't finish the report to our shareholders in time. (C) Otherwise, there was no information about the matter that could be shared. 0ubeem.ol opiod (D) Nonetheless, we project we will need further funding to meet operating Costs. 46 00 2. (A) For example, (B) However, (C) Notwithstanding, (D) On the other hand, 3emit ynsm visil of beleva) evsdinrelbbne eus eit GAe 1w () の O0

高校2年生です。答えを教えて欲しいです😭 （下記の質問に答えない。また、理由も書きなさい。）との表記があります。よろしくお願いします！ ・What do you buy on the Internet? ・About how much money do you usuall... Read More

これ読んだんですけど、自分は世界史を理解してなかったので分からなくて翻訳アプリ使ったんですけどそれでも分からなかったので分かる方できれば解読お願いします┏●

Denmark in World War II お んれ By Hannah Arendt Hannab Arendt (1906-1975) was a political scientist! and pbilosopber born in Hanover, Germany. Wben Hitler came to power, sbe was forced to leave Germany and came to the United States in 1940. Sbe continued ber academic career by lecturing and teacbing at arious colleges, including The New Scbool for Social Researcb in New York City. Among the many books sbe urote were Eichmann in Jerusalem, On Revolution, and The Origins of Totalitarianism. Editor's Insert During the Second World War. the Germans invaded Denmark in April, 1940. In the beginning of her essay, Hannah Arendt explains that of the four countries almost completely immune to anti-Semitism- Denmark, Sweden, Italy, and Bulgaria Denmark challenged its German masters directly. As soon as the German authorities talked about forcing Jews to wear the yellow badge,' the Danes replied that all Danish citizens, including the King, would be wearing it the next day if the policy were carried out. In addition, all Danish government officials threatened 舌は the German authorities with their immediate resignation if the Germans started to implement any anti-Jewish actions. The following excerpt from Eicbmann in Jerusatem shows how the Danes sabotaged the German plan to carry out the mass extermination of the Jews. only 2タカ人の What happened then was truly amazing; compared with what took place in other European countries, everything went topsy-turvey. In August, ー after the German offensive in Russia had failed, the Afrika Korns 1943 had surrendered in Tunisia, and the Allies had invaded Italy すgovernment canceled its 1940 agreement with Germany which had permitted German troops the right to pass through the country. Thereupon. the Danish workers decided that they could help a bit in hurrying things そのうえに up: riots broke out in Danish shipyards, where the dock workers refused to repair German ships and then went on strike. The German militarv commander proclaimed a state of emergency and imposed martial la and Himmler thought this was the right moment to tackle the Te the Swedish す。 (continued on next page) themselves as Jews secret police), and overseer of the concentration camps

xy平面において有理点を通らない直線y=ax+b(a≠0,b≠0)はどのようなものがありますか？