[°øÁö] |
[°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 |
ÀÛ¼ºÀÚ |
ȫâÀÇ |
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.
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2015-07-14 |
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¹®Á¦¿¡¼ ·ÎÇÇÅ»Á¤¸®¸¦ ¾²´Â°Ç ÀÌÇØÇßÁö¸¸ ¹®Á¦Ç®ÀÌ °úÁ¤¿¡¼ (-sinx -sec^2xtanx)/6x °¡ ¿Ö -1/2°¡ µÇ´Â°ÇÁö ¾Æ¹«¸® °è»êÇغÁµµ ¸ð¸£°Ú½À´Ï´Ù¤Ð¤Ð
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2015-07-14 |
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ºÐ¸ð¸¦ °¢ÀÚ °¢ÀÚ ºÐÀÚ·Î ³ª´©¾î ±ØÇÑ°ªÀÌ Á¸ÀçÇÏ¸é ±×·¸°Ô ±¸ÇÏ´Â °ÍÀÌ Æí¸®ÇÒ ¶§µµ ÀÖ½À´Ï´Ù.
Áï - sinx/6x - sec^2 x tanx/6x = - 1/6 - 1/6 = -1/3À̳ª
ÇлýÀÌ ¹ÌºÐÀ» Àß ¸øÇÏ¿© ±×·±°Í °°¾Æ¿ä Áï - sinx/6x - 2sec^2 x tanx/6x = - 1/2
´Ù½Ã¹ÌºÐÇغ¸¼¼¿ä. sec^2x¹ÌºÐÀ» À߸øÇÑ°Í°°¾Æ¿ä.
±×·¸Áö ¾ÊÀ¸¸é ·ÎÇÇÅ»Á¤¸®¸¦ ±ØÇÑ°ªÀÌ ³ª¿Ã¶§±îÁö °è¼Ó Àû¿ëÇÏ¸é µË´Ï´Ù. |
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883 |
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2015-07-13 |
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µî·ÏÀÏ |
2015-07-13 |
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2015-07-14 |
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882 |
176p À¯ÇüÇнÀ2¹ø Áú¹®ÀÖ½À´Ï´Ù |
kingjmk** |
2015-07-13 |
±ÛÁ¦¸ñ |
176p À¯ÇüÇнÀ2¹ø Áú¹®ÀÖ½À´Ï´Ù |
ÀÛ¼ºÀÚ |
kingjmk** |
µî·ÏÀÏ |
2015-07-13 |
|
ÀÌ ¹®Á¦ Ç®À̵µÁß dx -> d(x+1) ·Î Çؼ Ǫ´Âµ¥ ÀÌ°Ô x+1À» t·Î ġȯÇÑ´Ù´Â ¶æ¿¡¼ º¯ÇÏ°Ô ÇÑ°Å ¸Â³ª¿ä? ±×·¸´Ù¸é ¾ðÁ¦ t·Î ġȯÇÏ¿© Ç®¾î¾ßÇϴ°ÇÁö °¨ÀÌ ¾ÈÀâÇô¿ä ¸¸¾à S 1/x^2 + 1 * x dx À϶§´Â dx¸¦ (x^2 + 1) ·Î ¾È¹Ù²ãµµ µÇ´Â°Ç°¡¿ä?
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2015-07-13 |
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2015-07-13 |
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¹ÌºÐÀÇ Á¤ÀÇ df(x)/dx = f`(x)¿¡¼ ¾çº¯¿¡ dx¸¦ °öÇϸé
df(x) = f`(x) dxÀÌ ¼º¸³ÇÕ´Ï´Ù. µû¶ó¼ ÀÌ °ø½ÄÀ» ÀÌ¿ëÇϸé
d(x+1) = dx°¡ ¼º¸³ÇÏÁÒ. ÀÌ ¿ø¸®¸¦ ÀÌ¿ëÇϸé d(x^2 +1 ) = 2x dx°¡ ¼º¸³ÇÏ¿© ÀûºÐÀ» ÇÏ¸é µË´Ï´Ù.
ÀÏÁ¾ÀÇ Ä¡È¯À» ÇÏÁö ¾Ê°í ±×³É ÀûºÐÇÏ´Â °ÍÀÔ´Ï´Ù. |
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881 |
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kingjmk** |
2015-07-12 |
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kingjmk** |
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2015-07-12 |
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2015-07-13 |
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2015-07-13 |
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880 |
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kingjmk** |
2015-07-10 |
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2015-07-10 |
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2015-07-13 |
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2015-07-13 |
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879 |
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2015-07-10 |
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2015-07-10 |
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(1)¹«Çѱ޼ö¸¦ Á¤ÀûºÐÀ¸·Î ¹Ù²Ü¶§ k/nÀ» XnÀ¸·Î ³õ°í Á¤ÀûºÐÀ¸·Î ¹Ù²Ù´Âµ¥ ¿©±â¼ k/nÀÇ Àǹ̰¡ ¹«¾ùÀÎÁö ±Ã±ÝÇÕ´Ï´Ù ±×¸®°í (2)ÇÑ°¡Áö Áú¹®ÀÌ ´õ Àִµ¥ ¸¸¾à k=1ºÎÅͶó°í ³õÁö¾Ê°í k=3À̳ª ¹«Ã´ Å«¼ö °¡·É 350 ÀÌ·¸°Ô ³öµµ Á¤ÀûºÐÀ¸·Î ¹Ù²Ù´Â°Ô ¶È°°¾Æ Áö´Â°Ç°¡¿ä?
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2015-07-13 |
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k/nÀº x°ªÀ» ÀǹÌÇÕ´Ï´Ù. ±×¸®°í k°¡ ¾ÆÁÖÄ¿µµ °ü·ÃÀÌ ¾ø½À´Ï´Ù. |
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878 |
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2015-07-10 |
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2015-07-10 |
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Ç®ÀÌ¿¡ º¸¸é 1/1-x ±Þ¼ö´Â ½Ã±×¸¶ n=0ºÎÅÍ ÇؾßÁö ¼º¸³µÇ´Â°Å ¾Æ´Ñ°¡¿ä..?? n=1ºÎÅ͸é 1/1-x ¿¡´Ù°¡ 1À» »©Áà¾ß µÇ´Â°Å ¾Æ´Ñ°¡¿ä... ºÎŹµå¸³´Ï´Ù |
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2015-07-13 |
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n=0ºÎÅÍ Çصµ µË´Ï´Ù. |
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877 |
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2015-07-08 |
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2015-07-08 |
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2015-07-09 |
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2015-07-09 |
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±×·±µ¥ µÚÀÇ Áú¹®Àº ºÎÁ¤ÀûºÐÀ̹ǷΠ¿øÇÔ¼ö·Î ¹Ù²Ù¾îÁÖ¾î¾ß ÇÕ´Ï´Ù. |
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876 |
¾ßÄÚºñ¾ð Çà·Ä½Ä°ú ¼±Çüº¯È¯ Çà·Ä½Ä ³ÐÀÌ º¯È¯ Â÷ÀÌ |
mbs05** |
2015-07-08 |
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¾ßÄÚºñ¾ð Çà·Ä½Ä°ú ¼±Çüº¯È¯ Çà·Ä½Ä ³ÐÀÌ º¯È¯ Â÷ÀÌ |
ÀÛ¼ºÀÚ |
mbs05** |
µî·ÏÀÏ |
2015-07-08 |
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¸éÀû S ¼±Çüº¯È¯¿¡ ÀÇÇØ ¿Å°ÜÁø µµÇüÀÇ ³ÐÀÌ R °ü°è½ÄÀÌ R=Çà·Ä½Ä X S ·Î Ç¥ÇöµÇ´Âµ¥ ¾ßÄÚºñ¾ð Çà·Ä½ÄÀº ¿Ö S=Çà·Ä½ÄJ X R Àΰ¡¿ä?? °ÀÇ¿¡¼ ´Ù¸£´Ù°í Çϼ̴µ¥ ±× ÀÌÀ¯°¡ ±Ã±ÝÇÕ´Ï´Ù
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µî·ÏÀÏ |
2015-07-09 |
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¼±Çüº¯È¯¿¡¼ (x` ,y`)= A(x, y) (x,y)·Î ÀÌ·ç¾îÁø µµÇüÀÌ (x`,y`)µµÇüÀ¸·Î ¹Ù²î¹Ç·Î Çà·Ä½ÄÀÇ Àý´ñ°ª¹è¸¸Å Ä¿Áø´Ù.
¾ßÄÚºñ¾ðÀº (x,y)->(u,v)À¸·Î º¯ÇüÇÏ·Á¸é x=g(u,v), y=h(u,v)¿¡¼ dx=g_u du+g_v dv , ÀÌ µÇ´Â °ÍÀÔ´Ï´Ù.dy=h_u du+h_v dv
¿¡¼ Çà·Ä½ÄÀº ¿ìº¯¿¡ ÀÖÀ¸¹Ç·Î dx dy = |J| du dv |
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875 |
·Î±× ÀûºÐ |
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2015-07-07 |
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µî·ÏÀÏ |
2015-07-07 |
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¾Æ·¡ÀÇ »çÁø°ú °°ÀÌ ¹ÌºÐÀ» ÇÑÈÄ ½ÄÀ» Á¤¸®ÇÑ ´ÙÀ½¿¡ ÀûºÐÀ» ÇÏ´Ï ¿øÇÔ¼ö¿Í °°Áö ¾Ê°ÔµÇ¾ú´Âµ¥ ÀÌ°Ô Á¦°¡ ¿ÇÀº ¹æ½ÄÀ¸·Î ÇÑ°Ç°¡¿ä? óÀ½¿¡ ·Î±×ÀûºÐ¹ý¿¡´ëÇؼ °í¹ÎÇÏ´Ù°¡ ln5x°°Àº °æ¿ì ¹ÌºÐÀ» ÇÏ¸é ¾î¶»°Ô ÇؾßÇÏ´ÂÁö °á°ú¸¦ °è»êÇÏ´Ù°¡ Àú±â ±îÁö °¬½À´Ï´Ù ¾Ë·ÁÁÖ¼¼¿ä ¤Ì¤Ì
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2015-07-07 |
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·Î±×¼ºÁú°ú ºÎÁ¤ÀûºÐ¿¡´Â ÀûºÐ»ó¼ö c°¡ ÀÖ¾î¼ ´Þ¸® Ç¥ÇöµÇ´Â °ÍÀÔ´Ï´Ù.
ln2x^2 +c= ln2 + lnx^2 + c ¿©±â¿¡¼ ln2¿Í ÀûºÐ»ó¼öc ¸¦ ÇÕÃļ ¶Ç c·Î ³õÀ¸¸é µË´Ï´Ù.
¿©±â¼ ÀûºÐ»ó¼ö c´Â °áÁ¤µÇÁö ¾ÊÀº »ó¼öÀÔ´Ï´Ù. |
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2015-07-06 |
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2015-07-06 |
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¹ÌºÐÇÐÀ̶û ¼±Çü´ë¼ö¸¦ ¸ÕÀú ½ÃÀÛÇؼ ÇöÀç ¼±Çü´ë¼ö´Â Çà·ÄÆÄÆ®¿¡¼ '¼±Çü¿¬¸³¹æÁ¤½ÄÀÇ ÇØ' ÇÒ Â÷·ÊÀε¥ Àá½Ã ³öµÎ°í ÀûºÐÇÐÀ» ½ÃÀÛÇÏ´Â °ÍÀÌ ÁÁÀº°¡¿ä? ¤Ð ¾Æ´Ï¸é ±×´ë·Î Âß ÇÏ´Â°Ô ³ªÀ»±î¿ä?¤Ð¤Ð |
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2015-07-07 |
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2015-07-06 |
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2015-07-06 |
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2y^3t+t^3y=3ÀÌ°í dt/dx=1/cosxÀ϶§ dy/dx¸¦ ±¸ÇÏ·Á°í ÇÕ´Ï´Ù
±³¼ö´Ô²²¼´Â dy/dx¸¦ ¸Å°³º¯¼ö·Î ÀÌ¿ëÇÏ¿© ºÐ¸ð¿¡ dt/dx¸¦ ¿ª¼ö·Î ÃëÇؼ ´ëÀÔÇϼ̴µ¥
dt/dx¸¦ Æí¹ÌºÐÀ» ÀÌ¿ëÇÏ¿© ¶ó¿îµåf/¶ó¿îµåx¸¦ ±¸ÇÑ´ÙÀ½¿¡
dy/dxµµ Æí¹ÌºÐÀ» ÀÌ¿ëÇÏ¿© ±¸ÇÏ¸é ¾ÈµÇ³ª¿ä? ºÎÈ£¸¸ ¹Ù²î¾î¼ ³ª¿Í¼ Áú¹® µå¸³´Ï´Ù |
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2015-07-07 |
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À½ÇÔ¼ö¹ÌºÐ°ø½ÄÀ» ÀÌ¿ëÇÏ¿©µµ µË´Ï´Ù.
Áï d°ø½Ä y/dt= - dy/dt(Æí¹ÌºÐ±âÈ£°¡ ¾ø¾î¼¿ä.) ÀÌ¿ëÇÏ½Ã¸é µË´Ï´Ù. |
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872 |
p.102 50¹ø |
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2015-07-05 |
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p.102 50¹ø |
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2015-07-05 |
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x¸¦ 2tan¼¼Å¸·Î ġȯÇϸé ÀûºÐÀº µÇ´Âµ¥ º¸±â¿¡ ´äÀÌ ¾ø³×¿ä. Çؼ³Áö¸¦ º¸´Ï Àú·±½ÄÀ¸·Î ġȯÀ» Çϴµ¥ ¿Ö Àú·¸°Ô Çϴ°ÅÁÒ?? a>0 À̴ϱî Àú·¸°Ô ġȯÇѴٴµ¥ ¹«½¼¼Ò¸°Áö Àß ¸ð¸£°Ú½À´Ï´Ù. ºÎŹµå¸³´Ï´Ù! |
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