不等式の証明、統合成立を求める問題です 2番の解き方が、よくわかりません とくに平方完成のところがわかりません すごく簡単に解説おねがいしたいです

= ⑥62 次の不等式を証明せよ。 また,等号が成り立つのはどのようなときか。 (1) x²+ y²≥6(x-y-3) 2 x² + y² ≤ 6x-by-18 x² + y²-6x + by +18 = (x²-6x+9) + (y²+by+9) (x-3)+(y+3)≧0 x-3≧0y+3≧0よ +≧6(x-g-3)だから等式成立は2C-3=0 x=3 a -ab -b a -a-1 (2)* a2-ab+b²≥a+b-1 (左右)=aab+b-a-b 2 -a(b+1)+62-6+1 Lab-a b-b b-b -26. = {a² - alb+1) + (b +1 ) } (b + 1) + b²=b+1 (a-b+1)². 2 a a

英作文の添削お願いします。 テーマは「自動運転車の長所と短所について」です。 100点満点で点数も付けていただきたいです。

that There are advantages and disadvantages I think one of the advantages is people than Cats which we have to most that people think to using self-driving cars. it is more useful for many drive by ourselves. In general, the elders should. drive in order to avoid some accidents. However, they advantage of self-driving. can Cars. not go to anywhere they houp by taking In contrast, I think using Self-driving cars may lead to some accidents, which is one of the dis advantages. If the systems of self-driving cars are out of order • Traffic accidents may occur. Moreover, self-driving cars are more expensive Conventional cars, so buying self- driving cars Than may be hard for many people.

高2 正誤判定 誤りは 2 ですかね？

Just as consciousness is ever expanding, leading us to the aware- ness of an even larger system, so civility is an ever-expanding process. It is, but a small step from seeing other people as precious by virtue of the Creator 2 to seeing all creation as precious. The practice of civility inevitably leads us into larger systems, ecologi- cal consciousness, and a loving concern against the integrity of the whole. 3

投稿が跨いでしまい申し訳ないです。 質問は一個目の投稿の3枚目の写真のピンクの蛍光ペンで線を引いてることについてで、ここに出題者の意図に合わない解答はダメと書いてあるのですが、今回の（3）の問題の解答（3枚目の写真の左下のアプローチのところの別解）で（1）、（2）の結果を使... 続きを読む

連立漸化式: 数列の剰余 35 自然数nに対して, 2つの数列{an},{bn} を a₁ =1, b₁ =4, An+1 = 2an + bn, bn+1 = 4an − br で定める. bn (1)an+1+tbn+1=k(an+tbn) がすべてのnについて成り立つよ うな tkの値が2組ある. その値 (11, k1), (t2, k2) を求めよ。 (2) a, b をn で表せ。 (3)an が16で割り切れるのはn=4のときだけであることを示せ 〔大阪医科大〕

答え合ってますでしょうか🥹🥹 誤字訂正2番がわかりません、、

こちら答えがないためChatGPTで答え合わせをしたのですが、納得いかないです、、 解答解説お願いしたいです！

09412 A: The new smartphone model by JD Company is really something. I especially love the much larger screen it has. B: It is a great phone, but 14 The new smartphone model by AM Company is better. It is cheaper and has a camera that works quite well. A: Really? If that's true, I'll have to think a little more before deciding to buy. 1 it is too expensive the screen is too small they are not going to raise the price JD Company is making some changes

赤線は本文の何をさしてますか？？

In 2020 people celebrated the 50th anniversary of Doraemon's debut. This robot cat has been loved not only by Japanese people but also by many people all over the world. He was appointed Japan's anime ambassador in 2008 because he had been playing an important role in promoting Japanese anime culture. Although Doraemon is an imaginary robot, Japan is proud of its real robots. In fact the country has led the world in the development of robotic technology for decades. It is the technology used to develop industrial robots for manufacturing. Japan has exported a large number of such robots all over the world. Japan is also famous for developing unique humanoid robots such as ASIMO and Pepper. Both robots stand upright but ASIMO can walk on two feet while Pepper can read emotions.

因数分解の仕方を教えて欲しいです🙇🏻‍♀️✨

7 x²-5xy+by²=6+6=6 x²-5x y +6 y²=6

英作文の添削お願いします。 テーマは「リモートワークに賛成か反対か」です。

I agree with working from home for the following two reasons. continen to work Firstly, if a pandemic occured, we could without meeting other workers. It means that we can keep gaining money in any situation to some extent. Secondly, working from home easier for workers who are bringing up children and has an illness than working 75 remote-work the home. at outside system may contribute to the company Incorporating which is labor shortage. For these reasons, companies should incorporating I suppose that more remote-work system.

数学の数列の問題です なぜマーカーのところの部分は(2)であって(1)では無いのでしょうか

日本 例題 33 分数型の漸化式 (1) びま 次の条件によって定められる数列{an} の一般項を求めよ。 @a=1, 1 1 =3n-1 an+1 an CHART & SOLUTION 00000 (2) an a1= an+1= 4' 3an+1 基本29 分数型の漸化式 逆数を利用 (2)漸化式の両辺の逆数をとると, と と定数項からなる式となる。 an+1 an その式において,b= = 1 an とおくと既知の数列の漸化式となる。 併合 (1) bn= とおくと an bn+1-bn=3"-1 n≧2 のとき n-1 bn b₁3-1 h=1 -19813°31 数列 {bm} の階差数列の 一般項が 3-1 a1 b=1=1から 3-1-1 3-1+1 bn=1+ 3-1 60=1であるから,この式は n=1のときにも成り立つ。 したがって a₁= 2 an= 3-1+1 (2) ≠0, および漸化式の形から、 すべての自然数n に対して αn≠0~となる。 漸化式の両辺の逆数をとると ← n=1 とすると 1 Aabr 30+1=1 2 α」 ≠0 なのでαz=0, α 0 ならば α≠0 以下同様に考えて、 α 0 であることがい える。 1 3an+1 an+1 an =3+ an b an an+1 とおくと b1=4であるから、 したがって an bn+1=bn+3 bn=4+(n-1)・3=3n+1 1 3n+1 ◆初頭by 14. 公差3 01 の等差数列。