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[°øÁö] Àΰ ¼ö°»ý Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ý |
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2021-05-20 |
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[°øÁö] Àΰ ¼ö°»ý Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ý |
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µî·ÏÀÏ |
2021-05-20 |
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¾È³çÇϼ¼¿ä, ȫâÀÇ ¼±»ý´ÔÀÔ´Ï´Ù.
Àΰ ¼ö°»ý ¿©·¯ºÐµé
Ä«Ä«¿ÀÅå ÁúÀÇÀÀ´ä ¹æ¹ýÀÔ´Ï´Ù.
* Áú¹® ¹æ¹ý
1. Ä«Ä«¿ÀÅå¿¡ ¼±»ý´Ô ¾ÆÀ̵ð Ãß°¡
ȫâÀÇ ¼±»ý´Ô Ä«Ä«¿ÀÅå ¾ÆÀ̵ð : hongdly
2. Áú¹®ÇÒ ¶§, º»ÀÎÀÌ ¼ö°ÇÏ°í ÀÖ´Â °ÀÇ¸í ±âÀç / ¸î °ÀÎÁö ±âÀçÇØÁֽñ⠹ٶø´Ï´Ù.
°¨»çÇÕ´Ï´Ù. |
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8° 36ºÐ´ë °³³ä¼³¸íÁß |
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2019-11-06 |
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8° 36ºÐ´ë °³³ä¼³¸íÁß |
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µî·ÏÀÏ |
2019-11-06 |
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ÆíµµÇÔ¼öÀÇ ¿¬¼â¹ýÄ¢¿¡ ÀÇÇØ ¿À¸¥ÂÊ°ú °°ÀÌ Ç¥ÇöÇØ¾ß ÇÏÁö ¾Ê³ª¿ä? ÀÌÇØ°¡ Àß ¾ÈµË´Ï´Ù.
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2019-11-09 |
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haeun8** |
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2019-11-09 |
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x,y´Â À̺¯¼öÀ̹ǷΠx, y¸¦ Æí¹ÌºÐ ÇÒ ¶§´Â ¶ó¿îµå¸¦ ¾²¸ç
t ´Â ÀϺ¯¼öÀ̹ǷΠt ·Î ¹ÌºÐÇÒ ¶§´Â d ¸¦ ¾¹´Ï´Ù.
º¯¼ö°¡ ÇÑ°³³Ä µÎ°³ ÀÌ»óÀ̳Ŀ¡ µû¶ó Â÷ÀÌ°¡ ³ª¹Ç·Î
ÀϹÝÀûÀ¸·Î °´°ü½Ä ¹®Á¦¸£¸£ Ç® ¶§´Â Å©°Ô »ó°ü¾øÀÌ »ç¿ëÇÏ¸é µË´Ï´Ù. |
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2713 |
322p À¯ÇüÇнÀ 3 Áú¹®ÀÔ´Ï´Ù. |
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2019-11-05 |
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322p À¯ÇüÇнÀ 3 Áú¹®ÀÔ´Ï´Ù. |
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µî·ÏÀÏ |
2019-11-05 |
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1. ¾î¶² Çà·ÄÀ» ´ë°¢ÈÇÏ´Â Çà·ÄÀ̶ó´Â °ÍÀÌ ¹«¾ùÀ» ¶æÇϳª¿ä?
°íÀ¯º¤ÅÍ·Î ¸¸µç °¡¿ªÇà·Ä P¸¦ ¶æÇÏ´Â °Ç°¡¿ä?
2. À¯´ÏŸ¸® Çà·ÄÀ» ¸¸µå·Á¸é ¿Çà·ÄÀÇ Å©±â°¡ 1À̾î¾ß µÇ´Â ÀÌÀ¯´Â ¹«¾ùÀΰ¡¿ä? °¢°¢ÀÇ ¿Çà·ÄÀÇ Å©±â°¡ ±× ¿Çà·Ä·Î ¸¸µç Çà·ÄÀÇ Çà·Ä½Ä°ú ¿¬°üÈ÷ ÀÖ³ª¿ä? |
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2019-11-09 |
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haeun8** |
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2019-11-09 |
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1. ³× ¸Â½À´Ï´Ù.
2. º¹¼Ò»ó¿¡¼ À¯´ÏŸ¸®Çà·Ä U ´Â ½Ç¼ö»ó¿¡¼ Á÷±³Çà·Ä P ¿Í °°´Ù º¸¸é µË´Ï´Ù.
µû¶ó¼ À¯´ÏŸ¸® Çà·Äµµ ¿(¶Ç´Â Çà)º¤Å͵éÀÇ ¤Ñ±â°¡ 1ÀÌ¸ç ¼öÁ÷ÀÔ´Ï´Ù. |
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5° 31ºÐ 06ÃÊ 17°Ç±¹´ë¹®Á¦ |
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2019-11-05 |
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chpark** |
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2019-11-05 |
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¹æÇâÀº (-1,3) ÀÌ°í ¹æÇâÀº ¹Ù²î¸é ¾ÈµÈ´Ù°í Çϼ̴µ¥ ¿Ö (1,-3)ÀÌ ´äÀÌ µÇ´Â°Ç°¡¿ä?
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2019-11-09 |
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haeun8** |
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2019-11-09 |
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'°¡Àå »¡¸® º¯ÇÏ´Â'Àº '°¡Àå »¡¸® °¨¼ÒÇÏ´Â' ¶Ç´Â '°¡Àå »¡¸® Áõ°¡ÇÏ´Â' À» ÀǹÌÇϹǷÎ
+-(-1, 3) ¹æÇâ Áß ³ª¿Í ÀÖ´Â º¸±â¸¦ ¼±ÅÃÇÏ¿© ÁØ °ÍÀÔ´Ï´Ù. |
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2711 |
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juju09** |
2019-11-05 |
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juju09** |
µî·ÏÀÏ |
2019-11-05 |
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3° 178ÂÊ À¯ÇüÇнÀ1¹ø Áß (°¡)º¸±â¿¡¼ lim f( x , x ) = 0 x->0
ÀÇ °ªÀÌ "0"ÀÎ ÀÌÀ¯°¡ "x °öÇϱâ X = Àº 0 ¾Æ´Ï°í 0¿¡ °¡±î¿î¼ö" ¶ó¼ xy´Â 0ÀÌ ¾Æ´Ï´Ù ¶ó´Â Á¶°ÇÀ» ¸¸Á·ÇØ ±ØÇÑ°ªÀÌ 0ÀÌ µÇ´Â°Ç°¡¿ä ?
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2019-11-06 |
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2019-11-06 |
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y=x Á÷¼±À» µû¶ó 0¿¡ °¡±îÀÌ ¿À¸é
Á¡(0,0)À» Á¦¿ÜÇÑ y=xÀ§ÀÇ Á¡ (x,y) ¿¡´ëÇØ xy¡Á0 À̹ǷÎ
±ØÇÑ°ªÀÌ 0ÀÌ µË´Ï´Ù. |
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2019-11-04 |
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vinusyk9** |
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2019-11-04 |
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Áö±Ý ±âÃÊÆí ¼ö°ÇÏ°í ÀÖ½À´Ï´Ù. ±Ùµ¥ ¹®Á¦°¡ Á¶±Ý ºÎÁ·ÇÑ°Å °°¾Æ¼ ¹®Á¦°¡ ¸¹Àº ±³Àç°¡ ÇÊ¿äÇѵ¥ ÆíÀÔ¼öÇÐ 1200Á¦´Â ¸¶¹«¸® ´Ü°èÂÊ¿¡ ÀÖ´Â ±³ÀçÀΰŠ°°¾Æ¼ Ȥ½Ã´Ù ´Ù¸¥ ±³Àç°¡ ÀÖ´ÂÁö ¿©Â庸°í ½Í½À´Ï´Ù.
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2019-11-06 |
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±âÃÊÆí ÁýÇÕ-»ï°¢ÇÔ¼ö ¼ö°ÁßÀΰ¡¿ä?
°íµî¼öÇÐ ÆÄÆ®¿¡ ´ëÇÑ ¹®Á¦ÁýÀº µû·Î ¾ø½À´Ï´Ù.
¹ÌÀûºÐÇÐ ±âÃÊÆíÀ» ¼ö°ÁßÀ̶ó¸é ºü¸£°Ô ÈȾ ÈÄ Á¤±Ô °ÀǸ¦ ½ÃÀÛÇÏ±æ ¹Ù¶ø´Ï´Ù. |
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2709 |
4° 1½Ã°£´ë |
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2019-11-04 |
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2019-11-04 |
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À̹®Á¦¿¡¼ º¸±â(¸¶)¸¦ º¸½Ã¸é ÀÌ¹Ì ¸®¹ÌÆ® anÀÌ 0À̶ó¸é ±×°É·Î "¼ö·ÅÇÑ´Ù."°¡ ³¡ ¾Æ´Ñ°¡¿ä? ¿Ö Á¶°ÇºÎ ¼ö·ÅÀÌÁÒ? Á¶°ÇºÎ ¼ö·ÅÀº ¸®¹ÌÆ® anÀÌ 0ÀÌ ¾Æ´Ò¶§ ±× ¿ÍÁß¿¡ ¹ß»êÀÎÁö ¼ö·ÅÀÎÁö ÆǺ°Çϴ°Š¾Æ´Ñ°¡¿ä? ±×¸®°í À̹®Á¦ ÀüºÎ º¸±â¸¦ Ç®¶§ ¸®¹ÌÆ®a2nÀ» »ç¿ëÇÏ¿© ¼ö·Å,¹ß»ê È®ÀÎ ¹æ¹ýÀº ¼ö¿ÀÌ °°ÀºÇ×ÀÌ ±³´ë·Î µÇ¾îÀÖ¾î¾ßÇϴ°žƴѰ¡¿ä? 1-1/2+1/2-1/3ÀÌ·±²ÃÀÌ ÀÖÀ»¶§¾Æ´Ñ°¡¿ä? º¸±â (¹Ù)°°Àº°æ¿ì´Â ¼ö¿ÀÌ °°ÀºÇ×ÀÌ ±³´ë·Î Àִ°͵µ¾Æ´Ñµ¥ ¿ÖÀÌ·±°ÅÁÒ? |
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2019-11-06 |
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haeun8** |
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2019-11-06 |
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1. ³×, °ÀÇÀÇ Ç®À̷δ '¼ö·ÅÇÑ´Ù' ±îÁö¸¸ ¾Ë ¼ö ÀÖÀ¸¸ç
¢²|a_n| ÀÇ ¼ö·Å, ¹ß»ê¿¡ µû¶ó Àý´ë¼ö·Å, Á¶°ÇºÎ¼ö·ÅÀ» ¾ê±â ÇÒ ¼ö ÀÖ½À´Ï´Ù.
1/n °ú ±ØÇѺñ±³ »ç¿ëÇÏ¸é ¢²|a_n| ÀÌ ¹ß»êÇϹǷΠÁ¶°ÇºÎ¼ö·ÅÀÎ °ÍÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù.
2. °°Àº Ç×ÀÌ ±³´ë·Î ÀÖÀ» ÇÊ¿ä´Â ¾ø½À´Ï´Ù.
ºÎÈ£°¡ +-·Î ¹Ýº¹µÇ¸é ´Ù ±³´ë±Þ¼öÀ̸ç a_2n À» ÀÌ¿ëÇÑ Ç®À̸¦ Àû¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. |
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2708 |
4° 25ºÐ |
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2019-11-04 |
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4° 25ºÐ |
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2019-11-04 |
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¿©±â ¹®Á¦¿¡¼ º¸±â (³ª)¿¡¼ Un+1ÇÒ¶§ ¿Ö µÚ¿¡ 2*5*8*...*(3n+2)(3n+5)²ÃÀÌ µÇ´Â°ÅÁÒ? 2*5*8*...*(3n+5)°¡ µÇ¾ß Çϴ°Š¾Æ´Ñ°¡¿ä? |
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2019-11-06 |
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2019-11-06 |
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2ºÎÅÍ ½ÃÀÛÇÏ¿© 3¾¿ Ä¿Áø ¼ö¸¦ Âß °öÇÏ¿© 3n+5 ±îÁö °öÇϸé
±×Àü¿¡ 3n+2 ¸¦ °öÇÑ ÈÄ 3n+5 ¸¦ °öÇØ¾ß ÇÏ°ÚÁÒ.
2*5*8*...*(3n+2)(3n+5) ¿Í 2*5*8*...*(3n+5) ´Â °°Àº ¸»ÀÔ´Ï´Ù. |
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2707 |
±³Àç Áú¹® |
hyemin5** |
2019-11-04 |
±ÛÁ¦¸ñ |
±³Àç Áú¹® |
ÀÛ¼ºÀÚ |
hyemin5** |
µî·ÏÀÏ |
2019-11-04 |
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p38¿¡´Â AB=OÀ϶§ A=O ¶Ç´Â B=O (ÇÊ¿äÁ¶°Ç) Àε¥ p39 ´ëÇ¥±âÃâÀ¯Çü1 ¹®Á¦ º¸±â4¹ø¿¡´Â AB=OÀ̸é A=O ¶Ç´Â B=OÀÌ °ÅÁþÀ̶ó°í ³ª¿Í¼ Áú¹®µå¸³´Ï´Ù.
ÇÊ¿äÁ¶°ÇÀÌ¸é ¸ðµÎ °ÅÁþÀΰ¡¿ä?
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2019-11-06 |
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2019-11-06 |
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¾Æ·¡ Áú¹®°ú °°Àº À¯ÇüÀε¥
ÇÊ¿äÁ¶°ÇÀÌ¶ó ¾´ °ÍÀº ¹Ý´ëÀÇ È»ìÇ¥·Î °¡´Â ¸íÁ¦°¡ ÂüÀÎ °ÍÀ» ¸»ÇÕ´Ï´Ù.
Áï, ¶È°°ÀÌ < AB=O À̸é A=O, B=O ÀÌ´Ù. > ´Â °ÅÁþÀÎ ¸íÁ¦Áö¸¸
< A=O, B=O À̸é AB=O ÀÌ´Ù.> ´Â ÂüÀÎ ¸íÁ¦¶ó´Â °ÍÀÔ´Ï´Ù. |
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2706 |
±³Àç Áú¹® |
hyemin5** |
2019-11-04 |
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2019-11-06 |
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2019-11-06 |
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ÇÊ¿äÁ¶°ÇÀ̶ó´Â ¸»ÀÌ Á¶±Ý Çò°¥¸±µí Çѵ¥,
< A^2=O À̸é A=O ÀÌ´Ù > ´Â °ÅÁþÀÎ ¸íÁ¦ÀÔ´Ï´Ù.
¹Ý´ë·Î < A=O À̸é A^2=O ÀÌ´Ù > ´Â ÂüÀÎ ¸íÁ¦ÀÔ´Ï´Ù. |
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2705 |
1° 44ºÐ |
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2019-11-04 |
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2019-11-04 |
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¿©±â ¹®Á¦¿¡¼ ¿Ö ²À ù°Ç×ÀÎ 1/5º¸´Ù ÀÛÀº°ÅÁÒ? ÀÌÀ¯°¡ ÀÖ³ª¿ä?
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2019-11-06 |
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2019-11-06 |
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±Þ¼ö 1° 44ºÐÀº ³»¿ë¼³¸í ÁßÀ¸·Î ¹®Á¦°¡ ¾ø½À´Ï´Ù.
È®ÀÎ ÈÄ ÀçÁú¹® ¹Ù¶ø´Ï´Ù. |
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2704 |
401p 11¹ø |
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2019-11-03 |
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2019-11-03 |
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¤§¿¡¼ Áú¹®ÀÌ ¾à°£ ÀÌÁßÀûÀ̶ó Áú¹®µå¸³´Ï´Ù¤Ð. Ç×»ó ¼º¸³ÇÏ´Â °ÍÀº ¾Æ´Ï´Ù vs Ç×»ó ¼º¸³ÇÏÁö ¾Ê´Â´Ù ·Î ³ª´µ¾î¼ ½ÃÇè¿¡¼ ÃâÁ¦°¡ µÉ±î¿ä? |
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2019-11-06 |
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2019-11-06 |
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³×, 'Ç×¼º ¼º¸³ÇÏÁö ¾Ê´Â´Ù' ¿Í 'Ç×»ó ¼º¸³ÇÏ´Â °ÍÀº ¾Æ´Ï´Ù' ´Â Å« Â÷ÀÌ°¡ ÀÖÀ¸¹Ç·Î
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2703 |
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2019-11-03 |
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2019-11-03 |
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lAl=0ÀÎ ÀÌÀ¯°¡ ÇØ°¡ ¹«¼öÈ÷ ¸¹ÀÌ Á¸ÀçÇϱ⠴빮Àΰ¡¿ä?
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2019-11-06 |
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|A-E|=0 ÀÌ µË´Ï´Ù. |
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2019-11-03 |
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2019-11-03 |
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ÇÔ¼öÀÇ Æò±Õ°ª °³³äÀ» ¹è¿ì°í °©ÀÚ±â Áú·®Á᫐ ¹®Á¦°¡ ¿Ö ³ª¿Ô´Â Áö ¸ð¸£°Ú½À´Ï´Ù. ±×¸®°í ±âÃâÀ¯Çü 1ÀÇ yc¶û À¯ÇüÇнÀ 1ÀÇ zc¸¦ ¾î¶»°Ô ±¸ÇÏ´Â °ÇÁö ÀΰÀ» ºÁµµ ¸ð¸£°Ú½À´Ï´Ù.. |
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2019-11-09 |
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ÀûºÐÇп¡¼ ¹è¿î °³³äÀÔ´Ï´Ù.
Áú·®Á᫐ x_cm = {¡ò x_c dm}/{¡ò dm} ¿¡¼
±æÀÌ, ³ÐÀÌ, ºÎÇÇÀÇ Áú·®Áß½ÉÀ̳Ŀ¡ µû¶ó dm = ¥ñdl = ¥ñdA = ¥ñdV ·Î ¹Ù²ß´Ï´Ù.
´ëÇ¥±âÃâÀ¯Çü1¿¡¼ ³ÐÀÌ¿¡ ´ëÇÑ Áú·®Áß½ÉÀ̹ǷÎ
y_cm = {¡ò y_c dm}/{¡ò dm} = {¡ò y dA}/{¡ò dA} ·Î ¹Ù²Ù°í
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À¯ÇüÇнÀ1¿¡¼ ºÎÇÇ¿¡ ´ëÇÑ Áú·®Áß½ÉÀ̹ǷÎ
z_cm = {¡ò z_c dm}/{¡ò dm} = {¡ò z dV}/{¡ò dV} ·Î ¹Ù²Ù°í
ºÎÇǸ¦ ÁÖ¸éÁÂÇ¥°è·Î ¹Ù²Ù¾î °è»êÇÕ´Ï´Ù. |
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2701 |
296p 38¹ø |
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2019-11-02 |
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2019-11-02 |
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A+A^T=oÀ¸·Î ³õ°í Ç®¾î¾ß ÇÏ´Â°Ô ¾Æ´Ï¶ó A+A^T ÀÚü¸¦ ´ëĪÇà·Ä·Î ³õ°í Ç®¾î¾ß Çϳª¿ä? Ç®ÀÌ¿¡¼´Â ÀüÀÚ·Î ¼³¸íµÇ¾î Àմµ¥.. |
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2019-11-06 |
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1. »ó°ø°£ A+A^T ´Â ´ëĪÇà·ÄÀ̹ǷΠ10 Â÷¿ø
µû¶ó¼ ÇÙ°ø°£ÀÇ Â÷¿øÀº 16-10 =6 Â÷¿ø
2. A+A^T=O À» ¸¸Á·ÇÏ´Â A °¡ ÇÙÀ̸ç, A=-A^T À̹ǷΠÇÙ°ø°£Àº ¹Ý´ëĪÇà·ÄÀÇ °ø°£À̹ǷΠ6Â÷¿ø
µÎ°¡Áö Ç®À̹æ¹ýÀ» °¡Áú ¼ö ÀÖ½À´Ï´Ù. |
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2700 |
288p 8¹ø |
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2019-11-02 |
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