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Function: require_once
수학동아 - 폴리매스
함께 풀고 싶은 문제
창의력을 기를 수 있는 수학 문제 또는 퍼즐을 내는 곳입니다.
[창의 퍼즐] 살짝 질 낮다고 생각하실 수도 있지만
△π
2020.04.23 02:16
조회 874
좌표평면 상에 같지 않으며, x축 위에 있지 않은 두 점 A,B와 x축 위의 한 점 P가 있다.
(1)PA+PB가 최소가 될 때의 P의 위치를 구하고 그 이유를 설명하여라.
(2)|PA-PB|가 최소가 될 때의 P의 위치를 구하고 그 이유를 설명하여라.
(3)|PA-PB|가 최대가 될 때의 P의 위치를 구하고 그 이유를 설명하여라.
(여기서 이유란 왜 그곳이 최대 혹은 최소가 되는지 정확한 이유를 말합니다. 모범풀이가 있지만 제가 이해할 수 있으면 해결 드릴게요)
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전자기역학
Lv.8
2020.04.23 07:56
비밀댓글
비밀 댓글이 등록 되었습니다.
-
아인수타인
Lv.12
2020.04.24 22:57
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△π
Lv.9
2020.04.25 00:30
좋아요0
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은총알
Lv.11
2020.04.26 02:58
.......도대체 어디가 질이 낮다는 거죠
아 질이 낫다는 걸 오타가 나신 거구나
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△π
Lv.9
2020.04.26 03:33
ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ감사합니다!
좋아요0
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