（2）を教えていただきたいです。

公開 an+1=pan+g, an+2+pan+1+gan=0の2つのタイプの問題は漸化式 をつぶっていても解けるようになろう。 練習2 一般項 α を求めよ。 n (1) a₁ =0, a₂ = 1, an + 2-a n+1-6an=0 (2) a₁ =0, a₂ =1, an+2-1 2—6a n+1+5a=0 (3) a₁=1, a2 = 2, an+2=2a n+1+an (4) a₁ =0, a₁=1, an+2−(Þ+1)an+1+pan=0

化学の質問です。 （4）のイオン反応式の係数のやり方が分かりません。 お願いします

UKMnO4 + の場合は1と配せ 103. イオン反応式係数を補って,次のイオン反応式を完成させよ。 (1) ( )Pb2+ + ( )CI → ( ) PbCl 2 ナ (2) ( )Ag+ + ( ) Cu + (3) な ( ) Ag+ ( )Cu2+ ( ) A+ ( )H+ → ( )AI3+ + ( )H20 (4) (207² + ( )H+ + ( ) I → ( )Cr3+ + () H2O + ( )I2

英検二級のライティングの添削をしていただきたいです。

I agree with this opinion that restaurants and supermarkets should try to reduce the amount of food that they throw away. I have two reasons. First of all, good for the enviroments. it is not A lot of food throwed away emit methon guces, so they promote global warming. Second of all, if they reduce the amount of food that they throw away, they can reduce Cost. It is important for them to keep las e cost as possible. For these reasons, I agree with this opinion.

iii)の所が分かりません。 解説をお願いします🙇 答えは②です。

問8 0.10mol/Lの塩酸 10mL に 0.10mol/Lの水酸化バリウム Ba (OH)2 水溶液を滴 下していった。このとき, Ba (OH)2 水溶液の滴下量 (mL) と水溶液中の水酸化物 イオンOHの物質量(mol) の関係を表したグラフとして最も適当なものを, 次 ①~④のうちから一つ選べ。 8 ① 2.5 OHの物質量(×10-3mol) OH-の物質量(×10mol 2.0 ②S 2.5 2.0 20 だし、 1.5 10 1. 108[H +00 1.0 1.0 0.5 0.5 2.5 2.0 1.5 1.0 0.5 0 5 10 15 20 25 Ba (OH)2 水溶液の滴下量(mL) 5 10 15 20 25 Ba (OH)2 水溶液の滴下量(mL) 5 10 15 20 25 Ba (OH)2 水溶液の滴下量(mL) OH-の物質量 (×10-3mol) 2.5 2.0 225 1.5 1.0 0.5 0 5 10 15 20 25 Ba (OH)2 水溶液の滴下量(mL)

1890年　なぜ過剰生産(綿糸)しると恐慌になるのですか？ 輸出が輸入を上回ったのにですか？

Sukkahs generally have three walls, and the roof i made with leaves and has openings so that the stars are visible above. 仮庵は通常、壁が3面で、屋根は... 続きを読む

Today, Jewish people celebrate the holiday by building a sukkah in their backyards or on balconies 今日ユダヤ人は自宅の裏庭やバルコニーに仮庵を建ててこの祝日を祝う。 この文の... 続きを読む

なぜ中国とインドは平和五原則を結んだのですか？

教えてください！

(4) (a) We need to fix the roof of our house. (b) The roof of our house needs ( to ) ( he (5) (a) Your rude behavior appeared to make him angry. )(fixed). (b) He appeared ( To ) ( be ) angry with your rude behavior. Step ( )の指示にしたがって, 英文を書きかえなさい。 (1) His mother makes him go to bed at ten every night. (K) He (2) It seemed that the boy had gotten lost on his way. (the boy LT), The boy seemed to have gotten lost on his way (3) Rick appears to be writing an email to one of his friends. (It を主語にして) (4) It seemed that those problems had been solved. (those problems & L These problems Seemed To be solved vlima 2 日本語の意味に合うように,[] の語句を並べかえなさい。 (1)何かが暗闇の中で動くのを感じた。 [ something/I/in/move / felt ] the darkness. I felt something move (2)父はソファで眠っているようだ。 n Hbe/on/sleeping/to/ appears / my father] the sofa. My father appears to be the darkne Sleeping on the s

合っていますか？

6 下の[ ]から適切な語句を1回ずつ選んで下線部に入れ, 対話文を完成させなさい。 Jim: I saw Jack downtown. (1) He Ann: (2) You can must have become a bad boy. be joking. He's doing well in school. be a bad boy. Jim: That doesn't matter. (3) Anybody Ann: (4) Like you might Jim: What are you talking about? used to be. [ must/ used to / can / might ]