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rank Gibby 2020-03-22 (ÀÏ) 21:47 Á¶È¸ : 977
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Ç®À̸¸ ÇØ Áּŵµ µË´Ï´Ù.
¿äûÀÚ°¡ ÀÚ½ÅÀÇ 3000Æ÷ÀÎÆ®¸¦ °É¾ú½À´Ï´Ù. ´äº¯ÀÌ Ã¤ÅõǸé 1500Æ÷ÀÎÆ®¸¦ µå¸³´Ï´Ù.
´ñ±Û 5°³ ´ñ±Û¾²±â
rank¿Ö±×·¯¼¼¿ä 2020-03-22 (ÀÏ) 22:49
¿ì¼± Q(x)¸¦ x-a·Î ³ª´©´Â °æ¿ì ³ª¸ÓÁö´Â Q(a) ÀÔ´Ï´Ù.

34¹ø => Q(3)À» ±¸Ç϶ó
x^3 - x - 5 =  (x-2)Q(x) + R  ·Î Ç¥½ÃÇÑ´Ù¸é
Q(x) - ¸ò, R - ³ª¸ÓÁö ÀÔ´Ï´Ù. ±×¸®°í x-2°¡ ÀÏÂ÷½Ä À̹ǷΠRÀº »ó¼öÀÔ´Ï´Ù.
µû¶ó¼­ x=2¸¦ ´ëÀÔÇϸé
8-2-5 = 0*Q(x) + R À̹ǷÎ
R = 1 ÀÌ ³ª¿É´Ï´Ù
À§ÀǽĿ¡ RÀ» ´ëÀÔÇϸé
x^3 - x - 5 =  (x-2)Q(x) + 1
À̽ÄÀ» Á¤¸®ÈÄ ÀμöºÐÇØÇϸé
(x-2)Q(x) = x^3 -x -6 = (x-2)(x^2+2x+3) µÇ¹Ç·Î
Q(x) = x^2 +2x+ 3 ÀÌ ³ª¿É´Ï´Ù.
µû¶ó¼­ Q(3) = 9 + 6 + 3 = 18

35¹ø => Q(2)¸¦ ±¸Ç϶ó
¹®Á¦¸¦ ½ÄÀ¸·Î Àû¾îº¸¸é
f(x) = (x+3)Q(x) + 2
f(x) = (x-2)P(x) - 3 (µÎ¹ø¤Š´Â ¸ò Ç¥½Ã°¡ ¾øÀ¸¹Ç·Î ÀÓÀÇÀÇ P(x)¸¦ Àâ½À´Ï´Ù.)
µÎ½ÄÀÇ Áº¯ÀÌ f(x)·Î °°À¸¹Ç·Î
(x+3)Q(x) +2 = (x-2)P(x) - 3
x=2 ´ëÀÔÇϸé
5Q(2)  + 2 = 0*P(2) -3
µû¶ó¼­ Q(2) = -1

36¹ø => f(-2)¸¦ ±¸Ç϶ó
¹®Á¦¸¦ ½ÄÀ¸·Î Àû¾îº¸¸é
f(x) = (x-1)Q(x) +3
Q(x) = (x+2)P(x) +5
À̹ǷΠQ(x)¸¦ ù ½Ä¿¡ ´ëÀÔÈÄ Á¤¸®Çϸé
f(x) = (x-1){(x+2)P(x) +5} +3
x=-2 ´ëÀÔÈÄ Á¤¸®Çϸé
f(-2) = -3*5 +3 = -12

37¹ø => R(-1)À» ±¸Ç϶ó.
36¹ø°ú ºñ½ÁÇÑ À¯ÇüÀÔ´Ï´Ù.
f(x) = (x^2-2x+4)Q(x) + 3x+2
Q(x) = (x+2)P(x) +1
Q(x) ´ëÀÔÈÄ Á¤¸®
f(x)= (x^2-2x+4){(x+2)P(x) +1} +3x+2
    = (x^3+8)P(x) + x^2-2x+4+3x+2
À̹ǷΠR(x)´Â  P(x) µÚ¿¡ ÀÖ´Â ³ª¸ÓÁö Ç×ÀÔ´Ï´Ù.
µû¶ó¼­ R(-1) = 1 + 2 +4 -3 +2 = 6
rank¿Ö±×·¯¼¼¿ä 2020-03-22 (ÀÏ) 22:59
³ª´©´Â ¼ö +1 À̳ª -1 ÀÇ °ÅµìÁ¦°ö Çü½ÄÀ¸·Î ¹Ù²Ù¸é ½±°Ô Ç®¼öÀÖ½À´Ï´Ù.
38¹ø
9^50 = (1+8)^50 À¸·Î ¾µ¼ö ÀÖ½À´Ï´Ù.
À§½ÄÀ» Àü°³Çϸé 1^50 + .... + 8^50 À¸·Î Àü°³ µÇ´Âµ¥
Áß°£¿¡ ... ¿¡´Â Ç×»ó 8*X ½ÄÀ¸·Î Ç¥½ÃµÇ¸ç
µû¶ó¼­ 8·Î ³ª´©¸é Á¦ÀÏ ¾ÕÀÇ 1 »©°ï 8À» Çϳª¾¿À» Àμö·Î °¡Áö¹Ç·Î ³ª¸ÓÁö°¡ 0
µû¶ó¼­ ´äÀº 1

39¹ø * Ç¥½Ã´Â °öÇϱâ ÀÔ´Ï´Ù.
2 * 3^50 = 2 * (4-1)^50 À̹ǷÎ
38¹ø°ú ¸¶Âù°¡Áö·Î Ç®¸é
2*(4^50 ... +1^50) À̹ǷΠ()¾ÈÀº 4·Î ³ª´©¸é ³ª¸ÓÁö°¡ 1ÀÔ´Ï´Ù.
¾Õ¿¡ °öÇϱâ 2°¡ ÀÖÀ¸¹Ç·Î
µû¶ó¼­ ´äÀº 2

40¹ø
2^2018 = 2^3 * 2^2015 = 8 * 32^403 = 8*(31+1)^403
À§ ¹®Á¦¿Í °°Àº ¹æ¹ýÀ¸·Î Ç®¸é µÇ°í¿ä
´äÀº 8
     
       
rankGibby ±Û¾´ÀÌ 2020-03-23 (¿ù) 12:56
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¸¹Àº µµ¿ò µÇ¾ú½À´Ï´Ù.
     
       
rank¹ÚÄû¼ø 2020-03-23 (¿ù) 21:42
ÀμöºÐÇØ ¹®Á¦ Çϳª ¿Ã¸±ÅÙµ¥ ½Ã°£ µÇ½Ã¸é ºÎŹµå¸³´Ï´Ù.
rank°³ºñ¾Æºü 2020-03-23 (¿ù) 16:15
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