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[잡담] 루트
mathwizard 2020.01.22 05:06 조회 780

루트 쉽게 구하는 법 좀 알려주세요... 쉬운 법 없으면 어려운 방법이라도..

  •  
    K→C≡N Lv.11 2020.01.22 06:03

    https://blog.naver.com/keewon2008/221777978540

    여기를 참고해 보세요!

    저도 이걸로 쓰고 있어요

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    •  
      mathwizard Lv.7 2020.01.22 06:16

      감사합니다~

      좋아요0
  •  
    황금 열쇠 Lv.7 2020.01.22 17:13

    계산기를 써보는건...)퍽

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    •  
      mathwizard Lv.7 2020.01.22 18:37

      ㅋㅋ 그것도 좋은 생각이네요.

      좋아요0
  •  
    21세기오일러 Lv.11 2020.01.22 20:37

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    \sqrt{a}의 근삿값을 구하는 방법입니다. 먼저 그냥 숫자 1개를 찍습니다. ( 이숫자를 x1이라 합시다.) 그리고 그보다 더 정확한 값(이거는 x2라 합시다.) 은 다음공식에 따라 나옵니다. x2=\frac{1}{2}(x1+\frac{a}{x1}) 그렇게 나온값을 x1에 대입하는 것을 반복하면 됩니다.

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    •  
      mathwizard Lv.7 2020.01.22 20:58

      감사합니다~

      좋아요0
  •  
    쪼민이 Lv.8 2020.01.23 05:04

    으아ㅏㅏ 저도 루트 다음주에 배우는데ㅔㅔㅔ

    어렵나요...

    댓글 작성하기 좋아요0 댓글수1
    •  
      21세기오일러 Lv.11 2020.01.23 05:44

      A PHP Error was encountered

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      Function: require_once

      많이 어렵지는 않아요. (그런데 \sqrt[\frac{1}{2}]{3} 같은거 나오면 좀 어려워요.)

      좋아요0
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