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  #1  
Old 23 ¡Ã¡®Ò¤Á 2009, 22:50
pacemaker pacemaker äÁèÍÂÙèã¹Ãкº
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Çѹ·ÕèÊÁѤÃÊÁÒªÔ¡: 12 ¡Ã¡®Ò¤Á 2009
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pacemaker is on a distinguished road
Default ͹ؾѹ¸ì¢Í§ implicit funtion

ËÒ͹ؾѹ¸ì¢Í§
(x+y)^2 = (2x-y)^3

(x+y)/(x-y) = x^2 + y^2

ä´éà·èÒäËÃè¤èÐ
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
  #2  
Old 23 ¡Ã¡®Ò¤Á 2009, 23:14
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picmy picmy äÁèÍÂÙèã¹Ãкº
ÅÁ»ÃÒ³ºÃÔÊØ·¸Ôì
 
Çѹ·ÕèÊÁѤÃÊÁÒªÔ¡: 15 ¡Ã¡®Ò¤Á 2009
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picmy is on a distinguished road
Default

ÊÓËÃѺ¢éÍ 1. $(x+y)^2 = (2x-y)^3$
$\frac{d(x+y)^2}{dx}=\frac{d(2x-y)^3}{dx}$
$\frac{d(x+y)^2}{d(x+y)}\frac{d(x+y)}{dx}=\frac{d(2x-y)^3}{d(2x-y)}\frac{d(2x-y)}{dx}$
$[2(x+y)](1+y')=[3(2x-y)^2](2-y')$
$....$
$y'=$_________(µÔ´ÍÂÙèã¹ÃÙ» x ¡Ñº y)
µÍº¾ÃéÍÁÍéÒ§ÍÔ§¢éͤÇÒÁ¹Õé
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