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수학동아 - 폴리매스
본문바로가기
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 인수분해!!
PolymathJS 2020.03.13 05:06 조회 563
문제 푼 사람 1명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

다음을 인수분해 하시오.

1) (x-1)3+(x-2)3+(3-2x)3

2) (a+b+c)3-(a3+b3+c3)

이 문제 어떠셨나요?

글쎄요

0

어려워요

0

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댓글 6
댓글 작성하기
  •  
    PolymathJS Lv.5 2020.03.13 05:07

    댓글 작성하기 좋아요0 댓글수0
  •  
    수티브 잡스 Lv.6 2020.03.13 05:09

    아

    귀찮은데

    해볼까요

    말까요

    댓글 작성하기 좋아요0 댓글수2
    •  
      mathwizard Lv.7 2020.03.13 06:23

      수티브 잡스 님께는 귀찮은 거군요... 저는 어려워서 못 하는데...

      좋아요0
    •  
      수티브 잡스 Lv.6 2020.03.13 06:39

      뭐 사람마다 다 다르니까요

      걍 재밌게 공부하다보면 다 풀릴겁니다

      근데 저 이거 풀었는데 답변이 안와서 뭘 하기가 싫네요

      "i2 을 연산 했을때 -1 이 되는 것을 복소평면을 이용해 증명하라."

      좋아요0
  •  
    부분해결
    sicma Lv.11 2020.03.13 22:26 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수0
  •  
    해결
    GUN.007 Lv.11 2020.03.14 03:24 비밀댓글
    비밀 댓글이 등록 되었습니다.
    댓글 작성하기 댓글수0
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