Grade

Type of questions

Mathematics Senior High

⑵ですが、⑴でORが出たのでと思って写真にあるように解いてしまって答えが合わないのですが、自分がやったやり方だとダメなんですよね?

Check 例題 350 交点の位置ベクトル(1) △OAB において, 辺OA を 1:2に内分する点をP, 辺OB を 3:2に内 分する点をQ, AQ と BP の交点をRとする. 次の問いに答えよ. (1) OR を OA = d, OB = を使って表せ. (2) 線分 OR の延長と辺ABの交点をDとするとき, AD: DB を求め よ. 考え方 (1) R は AQ, BP 上の点より, AR: RQ=s: (1-s) BR: RP=t: (1-t) とおいて, OR を2通りで表す. à±0, 6±0, àxi zh, ma+nb=m'a+n'bm=m', を利用する. (2) 3点O, R, D が一直線上の点より, ODOR (kは実数) と表せることと,点Dは辺AB上の点 OCLAであることから, AD: DB=u: (1-u) とおいて, OD を2通りで表す. OR=(1-s)OA+sOQ 20 =(1-s)a+sb OR=(1-t)OB+tOP = (1-t)b+-ta m ①② より, A 3 (1-s)a+s6=ta +(1-t)b a = 0, 0, a と 較して, 1-s=1/31t, 2/23s=1-tより ₂T, OR=a+16 (1) AR: RQ=s: (1-s), BR: RP=t: (1-t) とお くと, m n=n' -²0) P 1-t. 0 R S= s=16, a=3p ①に代入して, OR=3(1-s)+ s 3 (別解) (①までは同じ)OP=pとおく.j=1234 P R S-R B -S t: D ここではBP 上の点より, 3(1-s)+1/23s=1,s= よって、①に代入して, OR = 1/23a+1/26 01A より 10 5 6 1-s BA A OR *** 1-t -U- -3187+AT P 0 は平行ではないから,係数を比がすべての敵を FLEGE R 1Q t D B 1-u (1-s)OA+SOQ s+(1-s) =(1-s) OA+soQ 0Q=OB=36 OP=OA=a B R は BP 上 [=06+APA 1 &G SAA&TA (S)

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English Senior High

問題を解いたのですが答えを知らないので合ってるか分かりません。教えてください🙏

不定詞(いろいろな形/原形不定詞) Track 24-25 UNIT 5 Reading ARE *examination, 24 カザフスタン生まれの義足アスリート, ハインリッヒ・ポポフが自分の半生を振り返ります。 I was nine years old when my life changed completely. During an doctors found bone cancer in my left leg. (be / cut / needed / off / the leg/to). But I wasn't giving up; I wanted to do sports again. Desc Sports were always my passion, and, like many children, I wanted to be a 5 professional football player. But I realized this would not be possible and started training for track and field events. My new *prosthesis, an artificial leg, was a new beginning for me. テーマ スポーツ (100) I am often asked why I chose to be a *sprinter. The point is, I run because I'm missing a leg. In other words, although I lost my leg, I learned something very 10 important: Accept your challenge and try to ( 3 ) it. Everything can be an opportunity if you only realize that it is. Note I started my sports career in 2001. In 2004, I participated in the Paralympics in *Athens for the first time and won three *bronze medals in the 100 meter, 200 meter, and *long jump. At the 2012 Paralympics in London, I won gold in the 100 meter 15 sprint. G 25 prinodail It sounds so easy now, but it wasn't always like that. My own experience makes me focus on helping others, especially children. I spend a lot of time visiting children in the hospital who are in a similar situation. I tell them: Don't stop doing the things that are important to you because something bad has happened to 20 you. Find a way to keep doing those things. When I pull up my *pant leg and show the children my prosthesis, you can see their eyes get big. But then they soon come to understand that everything is possible, even with a *disability. (291 words)

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