±ÛÁ¦¸ñ |
28ÆäÀÌÁö ¹®Á¦ Áú¹®µå¸³´Ï´Ù. |
ÀÛ¼ºÀÚ |
jin53** |
µî·ÏÀÏ |
2019-05-31 |
|
´äº¯ÀÔ´Ï´Ù.
|
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
¾î¶² ¹®Á¦ÀΰÇÁö Áú¹®ÀÌ ¿¢¹ÚÀ¸·Î ³ª¿À³×¿ä.
Çпø¿¡¼ À¯¼± ¾È³» ÇØµå¸®µµ·Ï ÇϰڽÀ´Ï´Ù. |
|
2211 |
p46 9¹ø |
swhj48** |
2019-05-31 |
±ÛÁ¦¸ñ |
p46 9¹ø |
ÀÛ¼ºÀÚ |
swhj48** |
µî·ÏÀÏ |
2019-05-31 |
|
ÇØ¼³¿¡¼ An-1 °ú an À» °°´Ù°í ³õ°í Ç®¾ú´øµ¥ ÀÌÀ¯°¡ ¹«¾ùÀΰ¡¿ä?
±×¸®°í Çà·Ä AÀÇ °ªÀº 0 ¾Æ´Ñ°¡¿ä? ±×·³ anAÀÇ °ªÀº 0¾Æ´Ñ°¡¿ä,,?¤Ì¤Ì |
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
¹®Á¦¿¡¼ A^n = a_n A ¶ó Çß°í A^n = A^n-1 ¡¿ A À̹ǷΠa_n=A^n-1 ÀÔ´Ï´Ù.
Çà·Ä A ÀÇ °ªÀ̶ó´Â °³³äÀº ¾ø½À´Ï´Ù. |
|
2210 |
53p 35¹ø |
thdtkddlr0** |
2019-05-31 |
±ÛÁ¦¸ñ |
53p 35¹ø |
ÀÛ¼ºÀÚ |
thdtkddlr0** |
µî·ÏÀÏ |
2019-05-31 |
|
n=-1ÀÌ¸é °ªÀÌ 5À̰í, n=1À̸é -2Àε¥ ¿Ö »ó±ØÇÑÀÌ 1ÀΰÅÁÒ??..
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
¿ì¼± nÀÇ °ª¿¡ À½¼ö´Â´ëÀÔÇÏÁö ¾Ê½À´Ï´Ù.
¼ö¿ÀÇ ±ØÇÑÀº ¹«ÇÑ´ë·Î °¥ ¼ö·Ï ¼ö¿ÀÌ ¾î¶»°Ô ÁøÇàµÇ´Â °¡¸¦ º¸´Â°Í Àε¥
(-1)^n ÀÌ ÀÖ¾î Áøµ¿ÇÏ°Ô µË´Ï´Ù. Áï 1 °ú -1 À» ¿Ô´Ù°¬´Ù ÇÏ¸ç ±× Áß Å« 1 À» »ó±ØÇÑÀ̶ó ÇÕ´Ï´Ù. |
|
2209 |
51p 28¹ø |
thdtkddlr0** |
2019-05-31 |
±ÛÁ¦¸ñ |
51p 28¹ø |
ÀÛ¼ºÀÚ |
thdtkddlr0** |
µî·ÏÀÏ |
2019-05-31 |
|
a_n+1=1/6(a_n+10000)ÀÌ ¾Æ´Ñ ÀÌ·ù¸£ ¸ð¸£°Ú½À´Ï´Ù.
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
5/6 À» »ç¿ëÇÏ°í ¸¸¿øÀÇ ÃæÀüÇÏ¿´À¸¹Ç·Î ¸¸¿øÀº µû·Î ´õÇØ¾ß ÇÕ´Ï´Ù.
Áï ¿À´ÃÀÇ µ·Àº ¾îÁ¦ÀÇ µ·ÀÇ 1/6 ÀÌ ³²°í ¸¸¿øÀ» ÃæÀüÇѰÍÀÔ´Ï´Ù. |
|
2208 |
46p 9¹ø |
thdtkddlr0** |
2019-05-31 |
±ÛÁ¦¸ñ |
46p 9¹ø |
ÀÛ¼ºÀÚ |
thdtkddlr0** |
µî·ÏÀÏ |
2019-05-31 |
|
A=A^(n-1)AÀÎ ÀÌÀ¯¿Í a_1=1ÀÎ ÀÌÀ¯¸¦ ¸ð¸£°Ú½À´Ï´Ù.
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
2^n = 2^(n-1)¡¿2 ÀÎ °Íó·³ Çà·ÄÀÇ Á¦°ö ¶ÇÇÑ µ¿ÀÏÇÕ´Ï´Ù. Áï, A^n = A^(n-1)¡¿A ÀÔ´Ï´Ù.
A^n = a_n A ¿¡¼ n=1 À» ´ëÀÔÇϸé A=a_1 A À̹ǷΠa_1 =1 ÀÔ´Ï´Ù. |
|
2207 |
p248 42¹ø |
sea96** |
2019-05-31 |
±ÛÁ¦¸ñ |
p248 42¹ø |
ÀÛ¼ºÀÚ |
sea96** |
µî·ÏÀÏ |
2019-05-31 |
|
¥è ¹üÀ§¸¦ ¾î¶»°Ô Á¤Çϳª¿ä? ±×¸®°í tan¥è/2=t·Î Ä¡È¯ÇØ¼ ±¸ÇÏ¸é ¾ÈµÇ³ª¿ä?
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
ÇØ¼³ È®ÀÎÇØ º¸¼Ì³ª¿ä.
ÀÌ ±Ø°î¼±Àº Á÷±³·Î ¹Ù²Ù¸é Ÿ¿øÀÎ °ÍÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù.
¸¹ÀÌ ³ª¿À´Â °î¼±ÀÇ ÇüŰ¡ ¾Æ´Ï¹Ç·Î
±Ø°î¼±À¸·Î Ç®ÀÚ¸é Á¡À» Âï¾î°¡¸ç ±×¸²À» ÆÄ¾ÇÇØ¾ß ÇÕ´Ï´Ù.
¶ÇÇÑ ±âŸġȯÀ¸·Î °è»êÇϴµ¥ ¾î·Á¿òÀÌ À־¿©
Á÷±³·Î ¹Ù²ã ¹®Á¦¸¦ Ǫ´Â °ÍÀÌ ÃÖ¼±ÀÔ´Ï´Ù. |
|
2206 |
¹ÌÀûºÐÇÐ2 ÀÎÅÍ³Ý ¼ö° ¼ø¼ Áú¹®ÀÔ´Ï´Ù |
rlfls** |
2019-05-31 |
±ÛÁ¦¸ñ |
¹ÌÀûºÐÇÐ2 ÀÎÅÍ³Ý ¼ö° ¼ø¼ Áú¹®ÀÔ´Ï´Ù |
ÀÛ¼ºÀÚ |
rlfls** |
µî·ÏÀÏ |
2019-05-31 |
|
À̹øÁÖ¿¡ ±Þ¼ö µé¾î°¬½À´Ï´Ù ¼±Çü´ë¼öÇÐÀ» 7¿ùºÎÅÍ µéÀ¸·Á Çϴµ¥ ¼±Çü´ë¼öÇÐ ³¡³ª°í ´Ùº¯¼ö¹ÌÀûºÐÀ̶ó´Â ¹üÀ§¸¦ °øºÎÇÏ´Â »ç¶÷ÀÌ ¸¹Àºµ¥ ±Þ¼ö-ÆíµµÇÔ¼ö-¼±Çü´ë¼öÇÐ-ÁßÀûºÐ ¼ø¼´ë·Î µé¾îµµ ±¦ÂúÀ»±î¿ä? ¾Æ´Ï¸é ±Þ¼ö&Çà·Ä-ÆíµµÇÔ¼ö&º¤ÅÍ-ÁßÀûºÐÀ¸·Î µé¾î¾ß ÇÒ±î¿ä?
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
Å« ¹®Á¦´Â ¾øÀ¸³ª 퍈µµÇÔ¼ö¸¦ µè±â Àü¿¡ º¤ÅÍ¿¡ ´ëÇÑ ÀÌÇØ°¡ »ì¦ ÇÊ¿äÇϱ⠶§¹®¿¡
Çà·ÄÆÄÆ®¸¦ ¸ÕÀú µè°í ÆíµµÇÔ¼ö¸¦ µè´Â °ÍÀÌ ÁÁ½À´Ï´Ù. |
|
2205 |
ù °ÀÇ ±Þ¼ö ¼ö·Å |
dds030** |
2019-05-31 |
±ÛÁ¦¸ñ |
ù °ÀÇ ±Þ¼ö ¼ö·Å |
ÀÛ¼ºÀÚ |
dds030** |
µî·ÏÀÏ |
2019-05-31 |
|
1/N(lnN)^ ¿¡¼ nº¸´Ù (lnN)^ÀÌ ÀÛ´Ù°í ¾ø¾Ö°í ÆÇ´ÜÇØ¼ 1/N ¹ß»êÀÌ ³ª¿Ô´Âµ¥(»ç½Ç ¼ö·ÅÀÌÁö¸¸) ¾Õ¼ (N!)^/(2N)! ¿¡¼ x^/y! À̶ó°í º¸°í Ãʹݿ¡ ¸»¾¸Çϼ̴ø ¼ö¿ Å©±â ÆÇÁ¤À» º¸°í ´õ ÀÛÀº x^ÇüŸ¦ Áö¿ì¼Ì½À´Ï´Ù. ±×·³ ±×³É ºÃÀ» ¶§ ÆÇ´ÜÇÑ´Ù¸é n º¸´Ù x^ÇüŰ¡ Å« ÂÊÀÌ¿©¼ nÀ» ¹«½ÃÇØ¾ß ÇÏ´Â °Í ¾Æ´Ñ°¡ ¶ó°í »ý°¢Çß½À´Ï´Ù.
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
±âȣǥÇöÀ» ¾Ë¾Æº¼ ¼ö ¾ø¾î Áú¹®À» ÀÌÇØÇÏÁö ¸øÇÏ¿´³×¿ä.
¿¹¸¦ µé¾î xÀÇ Á¦°öÀ̸é x^2 ¶ó Ç¥ÇöÇÕ´Ï´Ù.
(lnn)^ ÀÌ (lnn)^2 ÀÎÁö (lnn)^n ÀÎÁö.. ´Ù¸¥ ¹®Àڵ鵵 ¹«¾ùÀ» ¸»ÇÏÁö´Â ¾ËÁö ¸øÇÏ¿´½À´Ï´Ù.
Ã¥ ÆäÀÌÁö ¶Ç´Â Àΰ¿¡¼ ¸î° ¸îºÐÂëÀÎÁö Àû¾î ´Ù½Ã Áú¹®ÇØÁÖ¼¼¿ä. |
|
2204 |
Áú¹®ÀÖ½À´Ï´Ù. |
dpqps12** |
2019-05-30 |
±ÛÁ¦¸ñ |
Áú¹®ÀÖ½À´Ï´Ù. |
ÀÛ¼ºÀÚ |
dpqps12** |
µî·ÏÀÏ |
2019-05-30 |
|

1¹ø°úÁ¤¿¡¼ ¾îÂîÇØ¼ 2¹øÀÌ µÇ¾ú´ÂÁö ÀÌÇØ°¡µÇÁö¾Ê½À´Ï´Ù. ¾Ë·ÁÁÖ½Ã¸é °¨»çÇϰڽÀ´Ï´Ù.
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
x Çϳª ¾àºÐÇϰí xcos(1/x)=0*cos¹«ÇÑ´ë=0 ÀÔ´Ï´Ù. |
|
2203 |
62p À¯ÇüÇнÀ2 |
biuld** |
2019-05-29 |
±ÛÁ¦¸ñ |
62p À¯ÇüÇнÀ2 |
ÀÛ¼ºÀÚ |
biuld** |
µî·ÏÀÏ |
2019-05-29 |
|
ÇØ¼³¿¡¼, º¸±â1¹øÀ» Ç®¶§, k=1À» ´ëÀÔÇϸé¼, µ¨Å¸=a/5¸¦ °°ÀÌ ´ëÀÔÇÏÀݾƿä Áï µ¨Å¸=min{1,a/5}Àε¥, ÀÌ µÎÁß¿¡ °ªÀÌ ÀÛÀº°Í Çϳª¸¸ ´ëÀÔÇØ¾ßÇϴ°Š¾Æ´Ñ°¡¿ä? ¿Ö µÎ °ªÀ» ÇѲ¨¹ø¿¡ ´ëÀÔÇѰǰ¡¿ä? ±×¸®°í ¿Ö µ¨Å¸=min{k,a/k+4}¿¡¼ k°ªÀº ´Ù µ¨Å¸°ªÀÌ µÇ°í, a/k+4µµ µ¨Å¸°ªÀÌ µÇ³ª¿ä? ±×¸®°í µ¨Å¸=min{k,,a/k+4}½ÄÀ» ±¸Çߴµ¥, ±×³É º¸±â¿¡ ÀÖ´Â °ªk¸¦ ´ëÀÔÇØº¸¸é 3¹øµµ ¾ÈµÇ´øµ¥, º¸±â¿¡ÀÖ´Â °ªÀ» ±¸ÇѽĿ¡ ´ëÀÔÇØ¼ Ç®¸é ¿Ö Ʋ¸®³ª¿ä? °ÀǶû ÇØ¼³ÀÌ Á» ´Þ¶ó¼ ÀÌÇØ°¡ ¾ÈµÇ³×¿ä.
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-06-01 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-06-01 |
|
¿¹¸¦ µé¾î |x-2|<1 À̸é |x-1|<2 ¶ó°íµµ ÇÒ ¼ö ÀÖ½À´Ï´Ù.
|x-2|
¥äÀ» ¿ì¸®°¡ °¡Á¤Çß´ø k ¿Í ¥å/k+4 Áß¿¡¼ ÀÛÀº °ÍÀ¸·Î Àâ´Â °ÍÀÔ´Ï´Ù.
¶ÇÇÑ ²À k ¿Í ¥å/k+4 ¾Æ´Ñ ¥ä¸¦ Àâ¾Æµµ »ó°ü¾ø½À´Ï´Ù.
¥åº¸´Ù ÀÛÀº °Í¸¸ È®ÀÎ ÇÏ¸é µË´Ï´Ù.
º¸±â3¹ø¿¡¼ k=1/2 À» ´ëÀÔÇÑ 2¥å/9 ÀÌ ¾Æ´Ñ ¥å/5 »ç¿ëÇÏ¿© ¥åº¸´Ù ÀÛÀº °Í¸¸ È®ÀÎ ÇÏ¸é µË´Ï´Ù. |
|
2202 |
sinx ÇÔ¼ö¿Í cosx ÇÔ¼ö |
gkswltjd23** |
2019-05-29 |
±ÛÁ¦¸ñ |
sinx ÇÔ¼ö¿Í cosx ÇÔ¼ö |
ÀÛ¼ºÀÚ |
gkswltjd23** |
µî·ÏÀÏ |
2019-05-29 |
|
sinx ÇÔ¼ö´Â ±âÇÔ¼ö (¿øÁ¡´ëĪ) cosxÇÔ¼ö´Â ¿ìÇÔ¼ö (yÃà´ëĪ) ÀÌÀݾƿä. ±×·±µ¥ °î¼± ¾Æ·¡ÀÇ ¸éÀû°ú ÀûºÐ ´Ü¿ø¿¡¼ sinx ´Â yÃà´ëĪ cosx´Â xÃà´ëĪÀÌ ¹«½¼ ¼Ò¸®Àΰ¡¿ä??
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-05-29 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-05-29 |
|
´ÙÀ½ Áú¹®ºÎÅʹ å ÆäÀÌÁö¸¦ ¸í½ÃÇØÁÖ¼¼¿ä.
ÇлýÀÌ »ý°¢ÇÏ´Â °Í, Ç¥ÇöÇÏ´Â °Í°ú ¸¹Àº Â÷À̰¡ ÀÖÀ» ¼ö ÀÖ½À´Ï´Ù.
ÁüÀÛÇÏ¿© ¸»ÇÏÀÚ¸é
Á÷±³°î¼± y=sinx ´Â ¿øÁ¡´ëĪÀ̸ç
±Ø°î¼± r=sin¥è ´Â yÃà ´ëĪÀÔ´Ï´Ù.
Á÷±³°î¼±ÀÌ³Ä ±Ø°î¼±À̳Ŀ¡ µû¶ó ´Ù¸¨´Ï´Ù. |
|
2201 |
±³¼ö´Ô Áú¹®ÀÖ½À´Ï´Ù. |
zerto** |
2019-05-28 |
±ÛÁ¦¸ñ |
±³¼ö´Ô Áú¹®ÀÖ½À´Ï´Ù. |
ÀÛ¼ºÀÚ |
zerto** |
µî·ÏÀÏ |
2019-05-28 |
|
±³¼ö´Ô p310 ÂÊ¿¡ À¯ÇüÇнÀ 5¹ø ¹®Á¦¿¡¼ µ¿¿µ»ó 19° 48ºÐ 40ÃÊ °æ¿¡¼ e^e-1/g(e-1) -1 ÀÌ ¿Ö g( e-1) ¿Í °°°ÔµÇ´ÂÁö ÀÌÇØ°¡¾È°©´Ï´Ù. ½Ä¿¡¼ e-1·Î ¿¹¸¦ µé¸é e^1 = e -1 ÀÌ¿©¼ Áº¯ÀÇ g( e-1) ¿Í °°´Ù´Â ¼³¸íÀΰ¡¿ä?
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-05-29 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-05-29 |
|
´Ù¸¥ Ưº°ÇÑ ÀÌÀ¯´Â ¾ø½À´Ï´Ù.ÁÖ¾îÁø ½ÄÀÇ t ÀÚ¸®¿¡ e-1 ¸¸ ´ëÀÔÇÑ °ÍÀÔ´Ï´Ù.
|
|
2200 |
´ëÇ¥ ·Î±×ÇÔ¼öÀÇ ¼ö·Å ¹ß»ê ÆÇÁ¤ |
tkdgns38** |
2019-05-27 |
±ÛÁ¦¸ñ |
´ëÇ¥ ·Î±×ÇÔ¼öÀÇ ¼ö·Å ¹ß»ê ÆÇÁ¤ |
ÀÛ¼ºÀÚ |
tkdgns38** |
µî·ÏÀÏ |
2019-05-27 |
|
¹«Çѱ޼ö¿¡¼ 1/n(ln n)^2 ÀÌ ¿Ö ¼ö·ÅÀÎÁö ÀÌÇØ°¡ ¾È°¡´Âµ¥ ½±°Ô ¼³¸íÇØÁֽǼö ÀÖ³ª¿ä??
|
|
¦¦ |
´äº¯ÀÔ´Ï´Ù. |
haeun8** |
2019-05-29 |
±ÛÁ¦¸ñ |
´äº¯ÀÔ´Ï´Ù. |
ÀÛ¼ºÀÚ |
haeun8** |
µî·ÏÀÏ |
2019-05-29 |
|
ÀûºÐÆÇÁ¤¹ýÀ» ÀÌ¿ëÇÏ¸é µË´Ï´Ù,
lnx=t ·Î ġȯÇÏ¿© ÀûºÐÇϸé ÀûºÐ°ªÀÌ ³ª¿À¹Ç·Î ¼ö·ÅÇÕ´Ï´Ù. |
|