因式定理 | Factor Theorem

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  • Опубликовано: 1 фев 2025

Комментарии • 8

  • @bondpairsgonewrong
    @bondpairsgonewrong 3 года назад

    hello, i want to ask about the example in 4:27 how do you cauculate (x^2+3x-10) using the cauculater as a quradratic equation? thanks a ton 🙏🙏🙏

  • @IDENTITYHK
    @IDENTITYHK  4 года назад +3

    IDENTITY 網站:
    project-identity.hk
    影片內容:
    00:05 - 因式定理 | factor theorem
    01:58 - 例子 1 | example 1
    04:37 - 例子 2 | example 2
    08:44 - 例子 3 | example 3
    10:22 - 例子 4 | example 4
    Playlist:
    HKDSE Maths | 續多項式 | More about Polynomials
    ruclips.net/p/PL1Pv0-rhcQx5H5P0Advpmbtng1Mvr-7Vg

  • @Jacky-fb4th
    @Jacky-fb4th 2 года назад

    5:25 DSE真的只會 - 3 to 3 嗎? 我學校教 check (+- 頭/尾)

  • @千羽樱
    @千羽樱 8 лет назад +2

    其實點用二次公式做因式分解?
    thx

    • @IDENTITYHK
      @IDENTITYHK  8 лет назад +1

      我喺 IDENTITY 度答咗堆嘢,你睇下仲有冇唔明
      project-identity.hk/3-factor-theorem-%E5%9B%A0%E5%BC%8F%E5%AE%9A%E7%90%86/

  • @elstan123
    @elstan123 4 года назад +1

    例子2 唔應該試x=-2,0,2

  • @千羽樱
    @千羽樱 7 лет назад +2

    如果 ax+b is a factor of f(x), f(x)/ax+b 係唔係唔會有remainder.

    • @IDENTITYHK
      @IDENTITYHK  7 лет назад +4

      係呀,呢個係 factor (因式) 嘅定義嚟嘛,你用數字諗就好易明:
      2 係 10 嘅 factor,所以 10/2 (等於 5) 就唔會有餘數喇。