上の問題をこのように解きました。 答えが違ったのですが、これは、やり方が違ったのでしょうか？ 原因を教えてください

IECK3 |3次方程式 r'+ px* + qx + 5=0の1つの解が2-iのとき,実数 p, +yi (x, y:実数)を解にもつならば, その共役複素数x,-yiも解にもつ。 ヒント!) 一般に, 実数係数の3次方程式ax'+bx?+cx+d=0が虚数解x」 難易度 ☆ CHECK1 CHECK2 CHECK3 絶対暗記問題 18 (東京電機大 * ) の値を求めよ。 講義 2 となる。 0, これも大事だから覚えておこう。 解答&解説 D.4が実数より,実数係数の3次方程式:1r°+px°+qx+5= 0が d 講義 a 2-1を解にもつならば, この共役複素数 (2+i)も解である。この他のも う1つの解をyとおくと, 解と係数の関係より =-1 3次方程式の解と係数の …(答) p 1 関係の公式: b (27)+(2ナ1)+y=FP a+B+y= a 9 C aB+By+ya = a 講等 1 (2-i)(2+i)+(21)y+y(27) = d aBy= a を使った! (2-)(2+i)y=(=5) 3 ③より,(4-)y= 15, 5y=-5 …Y= -1 -1 0より,4+[y ーP 1 *p=-3 講 のより, 4-)+4y=q, A+1-4=9 以上より,p=-3, g=1 9=1 .(答) 答) 頻出問題にトライ·4 難易度 CHECK 1 CHECK2 CHECK3 次万程式r+ax+b=0(ただしbキ 0) の1つの解をaとおくと、 他の2つの解は a?, α'になる。このとき, 次の問いに答えよ。 (1) a, bおよびaの値を求めよ。 12) nを正の整数とするとき, α"" を求めよ。 解答は P237 43 山角関数 指数関数と対数関数 微分法と積分法 刀程式·式と証明 図形と方程式 5-1|

この教科書のレベルはどのくらいですか教えください この教科書でどのくらいのレベルの大学まで対応できますか？

1 On 10 February 2009, at a height of about 800 kilometers above Siberia, an American satellite collided the first such height [háit] satellite [séetalait] collide(d) [kaláid(id)] with an old Russian satellite. It was collision [kaligan] collision in the history of space development. As a result, fragment(s) [fráegmant(s)) debris [dabri:] more than 1,000 fragments of debris were scattered into space. 2 The image above shows the vast amount of space debris in orbit around Earth. Approximately 22,000 vast [váest] orbit [5:rbat] approximately [aprá:ksamatli) objects larger than 10 centimeters across are floating around Earth. Of these, about 16,000 are from known 10 considering [kansidarig) artificial [a:rtafijal] currently [ks:rantli] operation [a:paréifon] Considering that there are only about 1,000 artificial satellites currently in operation, the amount of Sources. space debris is astonishing. This space debris is not only due to the collision of satellites. For example, when rockets reach space, they s 15 leave behind surplus engines and fuel tanks. These objects remain in orbit as space debris. In addition, surplus s5:rplas] there are tools that astronauts have dropped while tool(s) [t:l(z)) astronaut(s) [astrand:t(s) aluminum [ala:manom per|par] working outside. Even a one-centimeter aluminum ball. when orbiting at a speed of around 10 kilometers per 0 bullet [bálat] second, is far more powerful than a bullet from a gun. gun [gán]

raise4の答えが欲しいです

S 立 SFEEE 画et配。 比較 Lesson Listening|Speaking Reading Grammar | Writing 22| /16 Totai O /12| 351語+ 秒x60- 141」 O Reading 1. この英文のタイトルとして最も適当なものを、次のの~のから選びなさい。(5点) の Ancient Medicines 3 The Progreas of Medical Seience の Medicines from, Forests The Rainforesta Secrets 速読 問題次の英文を3分30秒で読んで、1,の問いに答えなさい。 [精読 問題 もう一度英文を読んで、2.~7.の問いに答えなさい。 2. 下線部(1)の something の具体的な内容として最も適当なものを,次のe~のかー さい。(5点) のマラリアに効く奇跡の薬が発見された。 のベルーは自然資源が豊かだった。 のキナの木の皮から粉楽が作られていた。 マラリアは当時ヨーロッパで深知な病気だった。 3. 下線部(2)のItは何を指していますか。日本語で具体的に説明しなさい。(6 th。 began using the bark to cure malaria. After many years, scientists identif. became the primary medical treatment for malaria throughout the world. ncient Greek physicians made a tea from willow bark to ease pain and lower fo eople continued to use willow bark as a home remedy for centuries. (3) Moda jentists identified salicylic acid as the special ingredient in the bark that eased n d fever. Soon, drug companies were making aspirin tablets containing salicylic ac day, aspirin is one of the most widely used drugs in the world. Not all histories of medicines are centuries old. The story of taxol is an example of ho cle drugs are still being found in the world's forests. In 1966, scientists discovere verful chemical in the bark of the Pacific vew tree. This chemical could stop cel h. They believed it would be useful in treating the unnatural cell growth = Several years later, taxol was being used in treatments for certain kinds of cance atists think that many medicines may still be hidden in the rainforests of the Unfortunately, access to these rainforest plants is rapidly disappearing companies are cutting down the rainforest trees and selling the wood cial developers are working hard to clear the land for houses, farms, towns 5. The loggers and developers want to make money. They do not want to wait entists to look for plants. s Before rainforests disappear completely, scientists 4. 下線部(3)に至るまでのアスピリンの歴史を,日本語で説明しなさい。(7点 5. 下線部(4)の解釈として最も適当なものを, 次の①~④から選びなさい。 O The history of every medicine is centuries old. 2 The history of no medicine is centuries old. 3 None of the histories of medicines are centuries old. の Some histories of medicines are not centuries old. 6. 下線部(5)を和訳しなさい。(7点) 7. Which of the following are true?(You may choose more than one O Village healers in Peru knew that quinine cured mala 2A tea from willow bark continued to be used to ease centuries. 3 Aspirin tablets are still made of the bark of the wil' の The bark of the Pacific yew tree was also used ther as many medical secrets as possible. Soon, however, it may be too late e rainforests' secrets. remedy. (351 words 6 Other miracle drugs like taxol may still be hide world. 6A lot of rainforest plants are being cut down fc medical secrets as possible. 療師 *bark [bá:rk]木の皮 1°remedy [rémadi治療薬,医薬品 1the Pacific yew [já:] tree セイヨウイチイの木 *cinchona [sigkóuna] tree キナの木 『quinine [kwáinain] キニーネ ナギ "salicylic acid [stlisilik áesid] サリチル酸 キソール |新薬に関する説明を読んで,概要や要点を把握したり,情報を整理 14 Lesson

AとBのreed it through の答えを教えて欲しいです。 2枚目に本文載せておきました。

I SECTION Tips for Reading dloaio 譲歩 主張に対する反論として、「譲歩」の 表現が使われます。 although / though / even though / while / all the same / it is true that ~ but Q.「譲歩」の表現を, 本文から抜き出しなさい。 TOW Read It Through 1.a death merchant( a. a merchant who has died b. a merchant who sells weapons(武器) 2. disturb ( a. to stop someone from doing something b. to make someone feel unhappy a. fortune, money 3. wealth () b. a large amount of knowledge a. used with a verb(動詞) to talk about the future へ 4. will b. someone's last words about their money after they die B Fill in the blanks. On April 12, 1888, O_his brother Ludwing had died. The next day, a French newspaper announced Alfred Nobels death by mistake. Nobel was disturbed to see ② Actually, he had invented dynamite to ③ Save lives In 1895, he decided to use his entire fortune in order to 4 ● In 1896, ⑤_Al red Nobel die. His plan surprised people. NAT- MDCC ALFR。 NOBEL Nobel Prize Medal> It's Your Turn! What do you think about Nobel's story? Choose one or more statements, and

英作文なんですけど、間違ってるところがあれば添削お願いします。

イ体日るの十であたかりサさにととその理由0~) I lke Fist, I can tnd hewthinge. Secendi I think that studying 1s interesn study 7 have two reasons, 0わUKの怖すさスポーツにかけ 20n My tavorite port is lasket ball becaua ANYCNE C00lax it. I want eveyone to play Lecteb T tcuera.te egi.l Tuc wantueuee ななはどれ今界か及を好きですか、 11大イへ5大) I ike summer best Summer Also. I can. eyjoy 10ting pletures he covse very hot. 501 Con go to The 21. ner.sk Cong waittok summer iS nice ブMmmer sky:漫の壁 Can4 wait tor/to w :ルが情る差い厚く~1た. Pens are importart dor me. because it peCdte Studying 1s ieportant Hor me Can4 study Rthectna pen. SoI love pons. withont ~ :Mなしてい

この3つの英文の意味を教えてください🙇🏻‍♀️ お願いします。

Scene 1 Food Travels around the 授業でジョシュが1分間スピーチをしています。 お 2 What is Josh talking about? Seabnue V pg I like cooking. When I watch TV, I see many ooo ki interesting dishes. There are many kinds of currysw のre recipes in Japan: curry and rice, curry pilaf, curry jis O pi Oe noodles, and even curry bread. I never heàrd of curry bread when I was in the Philippines. It's interesting.nsw 5 「4G TYO dal

なぜbeenがいるのか分かりません…。usedだけではいけないんでしょうか？

31 切な形にして,日本文に合う文にしましょう。 これらの建物は 18世紀に使われていたようです。 (use) These buildings seem To hove been Uscd in the 18th aontu

紫でマークしたところ教えて欲しいです！

Part 1 Ms. ones is the adviser of the science club. This is the magazine article This is how the concept works. Acable is fixed between the Earth anda and new technology is bringing Oit closer to reality. Many scientists around counterweight in space that holds the cable up. Vehicles called “climbers" climヒ The space elevator will be able to transport materials and people far more chea It may sound like science fiction, but a space elevator is possible in theory, Lesson 4 Space Elevator What will a space elevator be able to do? that she handed out to the club members. Scientists to Build Elevator to Space の=( the world are working hard to make @this idea possible. の=( the cable to a spaceport located about 36,000 kilometers above the Ro and efficiently than a rocket. Eventually, anybody may be able to visit snooe space.

紫でマークしたところ教えて欲しいです！

Part 1| Ms. Jones is the adviser of the science club. This is the magazine article and efficiently than a rocket. Eventually, anybody may be able to visit space. and new technology is bringing Oit closer to reality. Many scientists around Counterweight in space that holds the cable up. Vehicles called “climbers" climヒ The space elevator will be able to transport materials and people far more chea It may soundlike science fiction, but a space elevator is possible in theory, Lesson 4 Space Elevator What will a space elevator be able to do? that she handed out to the club members. Scientists to Build Elevator to Space の=( へ the world are working hard to make ②this idea possible. の=( and efficiently than a rocket. Eventually, anybody may be able to visit o

読み方が分からないので教えてください🙏

5 About 700 years ago, people started to make mechanical clocks. At first, they used weights to power these clocks. The clocks told the hour with bells. However, the weights were big and heavy, so these clocks were difficult to move. 5 6 About 500 years ago, people improved their clocks. They used springs to power the clocks. The springs were small and light. So people could move the clocks easily. Eventually, people began to carry 始める [74 words] 10 運ぶ watches.