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数学 高校生

74の(2)の答えがなぜ−nの2条+n+1になるのか教えて下さい。

漸化式 ◆ 漸化式 関係式を 漸化式という。 漸化式と初項を与えると数列の各項が定まる。 数列{an} において, たとえばan+1=2an+3のように, 前の項から次の項を決めるための ◆漸化式と一般項 初項をaとする。 1 an+1=an+d 2 an+1=ran 3an+1=an+f(n) -> 公差dの等差数列 an=a+(n-1)d 公比rの等比数列 an = arn-1 階差数列の第n項がf(n) n-1 n≧2のとき 4 an+1= pan+q (p=0, p≠1) → 以下の漸化式は, n=1, 2,3,.. an=a+ f(k) k=1 an+1-c=p(an-c) の形に変形できる。 (cはc=pc+α を満たす数) (すべての自然数) で成り立つものとする。 TRIAL A 72 次の条件によって定められる数列{an}の第2項から第5項を求めよ。 () →p.35 *(3) α=1,(n+1=-2ax+1 *(5) α1=0, 2an+1−3an=1 (1) α=1, an+1=4an+1 273 次の条件によって定められる数列{an}の一般項を求めよ。 →教 (1) a1=0, an+1=an+5 (2) a1=2, an+1=-3an *(2) α=-1, an+1=an+2n 74 次の条件によって定められる数列{an}の一般項を求めよ。 →圏p.36 例題 11 *(1) a1=1, an+1-An=4" (2) α=1, an+1-an=-2n *(3) α1=1, an+1=an+3n-1 (4) α1=2, an+1=an+5" 275 次の漸化式を an+1 -c = p (an-c) の形に変形せよ。 (1) αn+1=3an-6 (3) an+1=9-2an (2) 3an+1+an=8 (4) an+1-4an=1 176 次の条件によって定められる数列{an}の一般項を求めよ。 → p.38 例題 12 LOSEST (2) α=1, an+1= (1) a₁=2, an+1=3αn−2 an 3 →p.37 +2 列 *(4) α=1,2an+1=an+2=0 (6) a₁=5, an+1=3an-4 #MOOD 198

未解決 回答数: 1
英語 高校生

付箋で示した行のas ifばどういう意味ですか?

sual place. They as taken off the wall by the official museum photographer so he could shoot pictures of it up in his studio By Tuesday morning, when the Sat: painting ( Vreturned and it was not in 2 the photographer's studio, museum officials were notified. The painting was Once the Marn s gone! news became public, French newspapers made several claims as to the nature of the theft. One newspaper *proclaimed that an American collector stole the work and would have an exact copy made which would be returned to the museum. This collector" would then keep the original. Another newspaper said that the entire incident was a *hoax V+ 6 to show how easy it was to steal from the Louvre. Many people were questioned about the theft from museum employees to people who worked or lived nearby, Perhaps somebody ( 3go) someone acting *suspiciously? The police even questioned Pablo Picasso. Picasso had previously bought two stone *sculptures ( from a friend named Pieret. Pieret ( 4 ) these pieces from the Louvre months before V1. the Mona Lisa was stolen. After an *interrogation, the police concluded that Picasso knew nothing about the theft of the Mona Lisa. V+ 9 Luckily, the painting was recovered 27 months after it was stolen, An Italian man named Vincenzo Perugia tried to sell the work/to a gallery in Florence, Italy, for $100,000. Perugia claimed that he stole the work out of *patriotism. He didn't think such a work by famous Italian in France. What Perugia didn't realize was that although the Mona Lisa was probably painted in Italy, Leonardo took it with him to France and sold it 100 COOK 10 to *King Francis I for 4,000 gold coins. 861 od gainob 5 4

未解決 回答数: 1
歴史 中学生

歴史の人物が全然覚えられなくて困っています、何か効率よく出来る勉強方法ってありますか?あったら教えて欲しいです🙏よろしくお願いしますします!

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未解決 回答数: 2