Scientists in the United States have developed sophisticated technology by which a quadriplegic man can play video game by using his brai... 続きを読む

数学Ⅱ　複素数 この式の解き方と、規則性を教えてください🙏

√3 + 2 √3 (1) + i の累乗について計算しなさい。 213 t 71 3 + 2 4 4 2 +2√3 21 4 4 4k 2 + 2 (+) (4) (5) (+ √3 √3 (2+塗 (6) 2 + √3

次数と係数を教えてください

(2) x³ y²

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[12] x, yは実数とする。 次の条件の否定を述べよ。 (1)x>0かつく1 (2) x<0または">0

数学c ベクトル この問題の1番で解答部分の黄色線がよくわかりません。 どうして点Oを通ると分かるのか、O Aに垂直な直線だと分かるのかを教えてほしいです

87 平面上の異なる2点O, A に対して, OA=a とする。 このとき, 次のベク トル方程式において, OP = p となる点Pの全体はどのような図形を表す か。 (1) |+a=p-à △ (2) 2a =\à\||| MARCに対して、条件|PA+PB+PC|=6 を満たす動点Pはど

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174 今,私は重要なプロジェクトの仕事をしているので,休みを取る余裕がない。 Now I'm working on an important project, so I can't( ) go on a vacation. ) |適語補充 Try! Private universities in the U.S. are very expensive. Many parents cannot ) to send their children to such places. ( ① buy ② spend ③ allow ④ afford (亜細亜大)

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170 It is necessary that you ( ) decide where to go first. I must 2 should 3 ought to 4 have to Try! It is essential that all the staff members (ii) present at the meeting. 1 be 2 are (3) were 4 been

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Section 17 後悔を表す 〈should have + 過去分詞> < |67 A: The train was delayed badly because of the heavy snow last night. B: You should (leave) for home before it started snowing. 語形変化 空欄1つに1語を入れること Try! 1. I haven't talked with Cathy for three days after I stepped on her foot. I (apologized/ have/her/to/should) right away. 168 2. Mary regrets keeping it a secret. She thinks she should ( friend the truth. ①have told ) her 2 is telling 3 is told 4to have told (金沢工業大 ) Ted says he couldn't finish the report by the deadline. He ( ) out with us last night. 1 must not go ③ shouldn't have gone Try! I ( 2 can't have gone 4 ought to not have gone ) the file because it was Mr. Jones' private one. I will have opened 2 having opened 4 would be opening that should ③ shouldn't have opened Section 18 169 Ralph never fails to come on time. It is strange that he ( late like this. 1 must 2 will 3 should Try! It is quite correct that Picasso ( O 1 does can It is necessary that you ( should 4 ought to ) be called a great artist. 4 may (**) ) be

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164 His grandfather is very old and can't hear well. He ( (Try!) talk. ① can have heard cannot have heard I don't believe it; he ( ① may ② will 9009 ② must have heard 4 should go 産業大) our 「…したはずがない」 という 〈確信)を表す ) have said so. 3 cannot 4 never (四天王寺大) ものは? 「聞こえたはずがない」 を表すには? 過はこ

(2)の最後の行の計算の方法が分からないので教えてください🙇🏻‍♀️

知 15 棒のつりあい 長さ 重さ W の一様な棒AB があり, AC 端はちょうつがいで壁につけられ,他端Bは,Aの真上の壁上の点 Cに結ばれた糸により,図に示す状態で支えられている。ただし, 棒は壁に垂直な鉛直面内にある。 (1) 糸の張力の大きさTを求めよ。 (2) 棒のA端がちょうつがいから受けている抗力の水平成分, 鉛 直成分をそれぞれ Rx, Ry とする。 Rx, Ryの大きさと向きをそ れぞれ求めよ。 130° s 60° 30° 例題 3 B