数学 大学生・専門学校生・社会人 11ヶ月前

問2.1の証明が分かりません。 ※1枚目が質問内容、2枚目が仮定

問 2.1 例1 (b), (c) で R" に定義された各種の距離 dp : R" × R” → [0,∞) (p = 1,2,...,∞) において, R” の点列 πm:= (x(m),x(m),...,xmm))∈R(m= R" 2 1,2,･･･) が, 点æ= (π1, 2,...,πn) ∈R" に収束するためには,各k ∈ {1, 2,...,n} に対し (m) →πk (m→8) となることが必要十分であることを示せ.

英語 高校生 2年以上前

空欄にはbが入るのですが、その理由を教えていただけませんか？

次の英文を読み, 後の問いに答えよ。 oh ni ai tuned" goizer o d Beauty is in the eye of the beholder. 1 This proverb was first recorded in the English language in its current form in the 19th century. However, (1). the concept of people viewing beauty differently from their own points of view has been around in most cultures of the world since ancient times. But what exactly is beauty, and is it really subjective? The definition in the Merriam-Webster dictionary is "the qualities in a person or a thing that give pleasure to the senses or the mind." This definition, however, does not mention whether there is a universal standard for beauty, or whether each individual person views beauty based on a totally different set of standards. Some of the arts seem to suggest the (2) if we consider the fact that everybody has their own favorite piece of music or painting that they consider to be beautiful. Nature, on the other hand, consistently comes up with scenes that are universally considered to be beautiful. There is little doubt that physical beauty, or beauty based on physical appearance of people, is personal. The ideal "beautiful woman" differs between cultures, and in many cases is based on fashion. Some cultures appreciate fatness, while others believe that body mutilation 2 represents beau example, body art in the form of piercings and tattoos is recognized as a sign of beauty in many countries of the world today, although there are also many people in these same countries who continue to ( 4 ) with this assessment. (3). For hana including Pythagoras believed that beauty was based on 1:1 11

数学 中学生 3年以上前

数学2の三平方の定理を使ってこれを証明しなさい この問題を1晩考えたんですが、全く分かりません これを教えてください！！お願いします！！

(課題) A 右の直角三角形ABCの3つの辺には次のような 関係が成り立つ。 61 a?+b?=c? これを証明せよ。 C B a

数学 高校生 4年以上前

これは右の図の表面積を求めるという問題ですが、求め方がわかりません... 六角形の面積の求め方の公式があるのは知ってますが、今の教科書に載ってないので使わないものとします。

RI き The Taylor Prism is s resular hexasonal prism made of clay with s historical record written on itN sidecs、 It Was found by archacolosist Colonel Taylor in 1S30、 IT the ancient Assyrians had written on al the surfaces、hat total Surface arcs would the writing have covcred? Hint: Aresular hexason can be divided into siN cquilateral tmiangles、