数B、数列の問題です。 (1)・(2)どちらも分からないので解説と回答をお願いしたいです！🙇🏻‍♂️

(3) 2 分子と分母が正の整数で,値が1より小さい分数を分母の小さい順(分母が同じときは分子の小さ い順)に並べた以下のような数列を考える。 ただし,約分できるものもそのまま記してある。 3 4 5 1 12 1 2 3 1 2 3 4 1 2 2' 3' 3' 4' 4' 4' 5' 5' 5' 5' 6' 6' 6' 6' 6' (1) は第何項に初めて現れるか。 33

数B数列の問題です。 (1)・(2)どちらも分からないので解説と回答をお願いしたいです！🙇🏻‍♂️

1 正の奇数を小さい順に並べた数列を,以下のような区画に区切りながら並べる。 n番目の区画には n個の項が入る。 13, 57, 9, 11 | 13, 15, 17, 19 21,23, 25, 27 29 | ...... (1) 10 番目の区画の最初の項を求めよ。

①はどうやって出したのでしょうか？

108. 関数 fn(x) (n=1, 2,3,...) は, fi(x)=4x²+1, ƒn(x) = ¹ {3x² tfn-1' (t) +3fn-1(t)}dt (n=2, 3, 4, ...) で、帰納的に定義されている. このf(x) を求めよ. 833 .011 (京都大)

数Bの数列についてです。赤線より下がなぜこの式になるのかが分かりません😭 解説お願いします🙏🏻

数学の判別式の問題です。 k^-25≧0から-5≦k≦5になるまでの理由が分からないです😭😭 解説お願いします🙏🏻

0 ≤ - 1² +25 k²-25 20 -5 ≤k ≤5 ここから これになる 理由

この問題の解き方を教えてもらいたいです🙇‍♀️

34 [710高等学校 数学Ⅱ 章末問題12] aは定数とする。 放物線y=x2-2(a+3)x+4a2+12a +8について,次の問いに答えよ。 (1) 頂点の座標をα で表せ。 (2) a がすべての実数値をとって変化するとき, 頂点の軌跡を求めよ。

解き方、教えていただけませんか、、🥹

2 ()内の語句が不定詞の意味上の主語になるように、全文を書きかえなさい。 ()内の語句は、必要が あれば適切な形にしなさい。 B (1) I would like to tell the truth. (2) It is dangerous to play here. (3) Sally doesn't like to play golf every Sunday. (4) It was careless to lose his wallet. (5) There is no need to hurry. (6) Paris is a good city to live in. (7) It was wise to say nothing about it. (you) (little children) (1) (he) (you) hallo (an artist) o sd of honoqger i E yns (she) qod er bee OLE bool asilnil oolll f'nob Idru ad) lot of

お願いします。

88. 各文の空所に入る適当な句を下より選び、その番号を記せ。 (1) She went to America ( ) studying American litera- ture. (2) I was absent from school ( ) illness. (愛知淑徳大) (徳島大) (3) ( ) me, I have no objection to your marrying her. (岐阜薬大) (4) The argument ( ) raising the fare is quite groundless. (早大) (早大) (大阪教大) ) pity. (**) (杏林大) (大東文化大) (9) () the effort of firemen, the fire was soon put out. (神戸女大) (5) A welcome meeting was held ( ) Mr. Smith. ) arguing. (6) You argue ( (7) He gave some money to the beggar ( (8) He has succeeded ( ) industry. (10) He would have been killed ( ) his presence of mind. (長崎大) (a) as for (d) for the sake of (g) on account of (i) with a view to (b) but for (c) by dint of (e) in favor of (f) in honor of (h) out of (i) thanks to

1度解きましたが答えもなくよく分からなかったので 回答おねがいします🙇

88. 各文の空所に入る適当な句を下より選び、その番号を記せ。 (1) She went to America ( ) studying American litera- (愛知淑徳大) ture. (2) I was absent from school ( ) illness. (3) ( (徳島大) ) me, I have no objection to your marrying her. (岐阜薬大) (4) The argument ( ) raising the fare is quite groundless. (早大) (早大) (5) A welcome meeting was held () Mr. Smith. (6) You argue ( ) arguing. (大阪教大) (7) He gave some money to the beggar () pity. (**) (8) He has succeeded ( ) industry. (大東文化大】 (9) ( ) the effort of firemen, the fire was soon put out. (神戸女大 (10) He would have been killed ( ) his presence of mind. (長崎大 (a) as for (d) for the sake of (8) on account of (j) with a view to (b) but for (c) by dint of (e) in favor of (f) in honor of (h) out of (i) thanks to

お願いします🤲

各文の空所に最も適したものを,下の1~7から選び、その番号を 92 記せ。 1. He won the honor ( ) his health. 2. He was ( ) going out when I called. The problem is ( I feel shy I only said it ( The house was ( 3. 4. 5. 6. ) my understanding. ) ladies. ) a joke. ) repair. 1 at the expense of 3 by way of 5 in case of 7 on the point of 2 beyond the reach of 4 in the presence of 6 in want of (東京理大)