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ch1997jimmy
(É@·Ç±¡¤HÉ@)
´¶³q·|û
UID 41040
¿n¤À 7729
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#1
¥¿±`¦rÅé
µoªí©ó 2013-2-24 12:51 PM
¸ê®Æ
¤å¶°
µu®ø®§
¤¤¥|¼Æ¾Ç¥\½Ò ¨D¸Ñ!!!~
§Úª¾«Y¦n®e©ö,¦ý«Y¤W°óÉNÅ¥®Ñµ²ªGøÃÑÅo.
1.¤Æ²(x^3+2x+5)+(2x^2+3x+4).
2.®i¶}(2x+5)(x^2+6x+3).
3.YAx+B=-5x-8,¨DA©MBªºÈ.
4.YA(x+1)2+B(x+1)+C=2x^2+3x+2,¨DA,B,CªºÈ.
5.Y(x-2)(x+3)=Ax^2+Bx+C,¨DA,B,CªºÈ.
ªø°£ªk
6.(3x^2+2x+7)°£(x-1)
7.(x^2-8x+5)°£(x+3)
øª¾¦³ÉNÃäÓ¦n¤ß¤HÀ°¤U¤â,¦³ÉN¤ÙªùÃÓ°O¦P¾Ç
¥t¥~øª¾¦³ÉNµo¿ù°Ï.ø¸Ó¤j®a
¥ò¦³¦pªGx«á±¦³¼Æ¦r§Y«Yx2¦¸¦n¦ü²Ä6±ø3x2.
[
¥»©«³Ì«á¥Ñ ch1997jimmy ©ó 2013-2-24 09:57 PM ½s¿è
]
YK Forum © All rights reserved.¡@
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15963211818
(¿W·Rµµ´Ñ)
ª©¥D
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UID 39125
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#2
µoªí©ó 2013-2-24 05:49 PM
¸ê®Æ
¤å¶°
µu®ø®§
¦³dø¨Ï聴³£ÃÑ°Õ~e.g. 1,2,3,6,7
YK Forum © All rights reserved.¡@
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hh36471288hk
(Samuel Ysc)
VIP·|û
Nope.
UID 34374
¿n¤À 16440
¸gÅç 1985
YK¹ô 18212
©«¤l 3775
ºëµØ 0
µù¥U 2010-4-24
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#3
µoªí©ó 2013-2-24 06:05 PM
¸ê®Æ
¤å¶°
µu®ø®§
1.¤Æ²(x^(3)+2x+5)+(2x^(2)+3x+4).
(x^(3)+2x+5)+(2x^(2)+3x+4)
= x^(3)+2x^(2)+2x+3x+5+4
= x^(3)+2x^(2)+5x+9 //
2.®i¶}(2x+5)(x2+6x+3).
x2 «Y«} = x^2
§Ú·í x2 «Y x¼¥H2 ¦í ¿ùµ¥°}¦A§ï
x2 = x2 ª©¥» :
(2x+5)(x2+6x+3)
= [(2x)(x2+6x+3)+(5)(x2+6x+3)]
= [(2x)(2x+6x+3)+(5)(2x+6x+3)]
= [(2x)(8x+3)]+[(5)(8x+3)]
= [16x^(2)+6x]+(40x+15)
= 16x^(2)+6x+40x+15
= 16x^(2)+46x+15 //
x2 = x^(2) ª©¥» :
(2x+5)(x2+6x+3)
= (2x+5)[x^(2)+6x+3]
= {(2x)[x^(2)+6x+3]} + {5[x^(2)+6x+3]}
= [2x^(3)+12x^(2)+6x] + [5x^(2)+30x+3]
= 2x^(3)+17x^(2)+36x+3 //
3.YAx+B=-5x-8,¨DA©MBªºÈ.
A = -5
B = -8 //
4.YA(x+1)2+B(x+1)+C= 2x2+3x+2 ,¨DA,B,CªºÈ.
A = A(x+1)2 = 2x2
B = B(x+1) = 3x
C = 2 //
¤²_ §^°O±oÂIp
5.Y(x-2)(x+3)=Ax2+Bx+C,¨DA,B,CªºÈ.
(x-2)(x+3)=Ax2+Bx+C
x^(2)+3x-2x-6=Ax2+Bx+C
x^(2)+x-6=Ax2+Bx+C
.
.
.
Ax2 ©j«Y«§®Æ?
(2)(A)(X) ¡H
ax^(2)¡H
§Ú·í Ax2 «Y Ax^(2) ¦í µ¥°}¦A§ï
(x-2)(x+3)=Ax2+Bx+C
x^(2)+3x-2x-6=Ax2+Bx+C
x^(2)+x-6=Ax2+Bx+C
¥N¤JA,B,C
A = 1
B = 1
C
= -6 //
6.§Q¥Îªø°£ªk±o¥X (3x2+2x+7)°£(x-1)
§Ú·í 3x2 «Y 3x^(2) ¦í ¿ùµ¥°}¦A§ï
(3x2+2x+7) / (x-1)
=[3x^(2)+2x+7] / (x-1)
.........
3x+5
(x-1) / 3x^(2)+2x+7
......-(
3x^(2)-3x
......................5x+7
....................-(
5x-5
.........................12
°Ó¦¡ = 3x+5
¾l¦¡ = 12
(3x+5)(x-1)+12
= 3x^(2)-3x-5+5x+12
= 3x^(2)+2x+7
7.§Q¥Îªø°£ªk±o¥X (x2-8x+5)°£(x+3)
§Ú·í x2 «Y x^(2) ¦í ¿ùµ¥°}¦A§ï
(x2-8x+5) / (x+3)
= [x^(2)-8x+5] / (x+3)
...........
x -11
(x+3) / x^(2)-8x+5
........-(
x^(2)+3x
..................-11x+5
...............-(
-11x-33
........................38 //
°Ó¦¡ = x-11
¾l¦¡ = 38
(x-11)(x+3)+38
= 2x^(2)+3x-11x-33+38
= 2x^(2)-8x+5 //
p¿ù§^Ãö§Ú¨Æ
¨D100 YK
[
¥»©«³Ì«á¥Ñ hh36471288hk ©ó 2013-2-24 09:37 PM ½s¿è
]
YK Forum © All rights reserved.¡@
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ch1997jimmy
(É@·Ç±¡¤HÉ@)
´¶³q·|û
UID 41040
¿n¤À 7729
¸gÅç 21
YK¹ô 3
©«¤l 177
ºëµØ 0
µù¥U 2011-3-5
¥Î¤áµù¥U¤Ñ¼Æ 4818
¥Î¤á¥¢ÂÜ¤Ñ¼Æ 3238
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#4
µoªí©ó 2013-2-24 07:48 PM
¸ê®Æ
¤å¶°
µu®ø®§
¦^ÂÐ #2 15963211818 ªº©«¤l
§Ú«Yªì¤¤ªG®É³£ÉNÅ¥®Ñ,©Ò¥HE®a³£øÃÑ.
¦^ÂÐ #3 hh36471288hk
ø¸Ó§r
x3§Y«Yx^(3)§Úøª¾À³¸ÓÂI¥´.
¥ò¦³Ax2=Ax^(2) ²Ä¤@±ø¥´¿ù¥ª«Y(X^3+2x+5)+(2x^2+3x+4)
²Ä¤±øµª®×À³¸Ó«Yc=-6ø«Yx=-6.
100YK´NÉN°Õ. °eªð
x100¤ñ§A¥ý
[
¥»©«³Ì«á¥Ñ ch1997jimmy ©ó 2013-2-24 08:11 PM ½s¿è
]
YK Forum © All rights reserved.¡@
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hh36471288hk
(Samuel Ysc)
VIP·|û
Nope.
UID 34374
¿n¤À 16440
¸gÅç 1985
YK¹ô 18212
©«¤l 3775
ºëµØ 0
µù¥U 2010-4-24
¥Î¤áµù¥U¤Ñ¼Æ 5133
¥Î¤á¥¢ÂÜ¤Ñ¼Æ 331
¨Ó¦Û ¡H
©Ê§O ¨k¥Í
ª¬ºA Â÷½u
#5
µoªí©ó 2013-2-24 08:44 PM
¸ê®Æ
¤å¶°
µu®ø®§
¦^ÂÐ #4 ch1997jimmy ªº©«¤l
²Ä¤@±ø¥´¿ù¥ª¡H¡I
Fack
YK Forum © All rights reserved.¡@
www.eyankit.com¡@ÃÙ§Uºô¯¸
keith_keith
(A.dmin)
ºÞ²zû
¯«¹L¹q¸£¯«µ£
UID 21914
¿n¤À 20712
¸gÅç 2611
YK¹ô 10635
©«¤l 7812
ºëµØ
2
µù¥U 2009-1-23
¥Î¤áµù¥U¤Ñ¼Æ 5589
¥Î¤á¥¢ÂÜ¤Ñ¼Æ 118
¨Ó¦Û ¤Ó¶§¨t¤¤ªº¤õ¬P
©Ê§O ¨k¥Í
ª¬ºA Â÷½u
#6
µoªí©ó 2013-2-24 08:46 PM
¸ê®Æ
¤å¶°
µu®ø®§
1. (X^3+2x+5)+(2x^2+3x+4)
=X^3 + 2X + 5 + 2X^2 + 3X + 4
= 3X^3 + 5X + 9
2. (2X+5)(X^2+6X+3)
= 2X^3 + 17X^2 + 36X + 15
3. YAx+B=-5x-8,¨DA©MBªºÈ
A = -5
B = -8
4. YA(X+1)2+B(x+1)+C=2x2+3x+2,¨DA,B,CªºÈ. <- 2x2 = 2X^2 ? , A(x+1)2 = A(x+1)^2 ?
5. (X-2)(X+3)=AX^2+BX+C
X^2 + X - 6 = AX^2 + BX + C
A = 1
B = 1
C = -6
6. (3x^2+2x+7)°£(x-1) <- ¦Û¤vp¡A§Ú²bª±µu°£
|3 2 7
1| 3 5
|3 5 7
Quotient = 3X + 5
Reminder = 12
7. (X^2-8X+5)°£(X+3) <- ¦Û¤vp¡A§Ú²bª±µu°£
|1 -8 5
-3| -3 33
|1 -11 38
Quotient = X - 11
Reminder = 38
³Ìªñ¢´¦¸µû¤À°O¿ý
hh36471288hk
2013-2-24 09:38 PM
YK¹ô
+1
²Ä¤@ÃD¤Öp¥ª 2x^2
YK§j¤ôÂ÷ÃD·| :
«ö¦¹¶i¤J
YK Forum © All rights reserved.¡@
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ch1997jimmy
(É@·Ç±¡¤HÉ@)
´¶³q·|û
UID 41040
¿n¤À 7729
¸gÅç 21
YK¹ô 3
©«¤l 177
ºëµØ 0
µù¥U 2011-3-5
¥Î¤áµù¥U¤Ñ¼Æ 4818
¥Î¤á¥¢ÂÜ¤Ñ¼Æ 3238
©Ê§O ¨k¥Í
ª¬ºA Â÷½u
#7
µoªí©ó 2013-2-24 09:08 PM
¸ê®Æ
¤å¶°
µu®ø®§
ø¸ÓÅΨâ¦ì§r
¨ä¹ê¨ä¥L¬ì¥Ø³£ÉN°ÝÃD,«Y¼Æ¾Ç³£Ãi±oÅ¥,
Å¥§¹³£øÃÑ.øª¾¥H«á¦³«§ø©ú¥i¥H½Ð±Ð§A¦a?
YK Forum © All rights reserved.¡@
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hh36471288hk
(Samuel Ysc)
VIP·|û
Nope.
UID 34374
¿n¤À 16440
¸gÅç 1985
YK¹ô 18212
©«¤l 3775
ºëµØ 0
µù¥U 2010-4-24
¥Î¤áµù¥U¤Ñ¼Æ 5133
¥Î¤á¥¢ÂÜ¤Ñ¼Æ 331
¨Ó¦Û ¡H
©Ê§O ¨k¥Í
ª¬ºA Â÷½u
#8
µoªí©ó 2013-2-24 09:34 PM
¸ê®Æ
¤å¶°
µu®ø®§
¦^ÂÐ #7 ch1997jimmy ªº©«¤l
¦pªG§Ú襩¦³on YK
YK Forum © All rights reserved.¡@
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ss310251
(·ªá¡´¼v)
´¶³q·|û
UID 35642
¿n¤À 3217
¸gÅç 233
YK¹ô 817
©«¤l 348
ºëµØ 0
µù¥U 2010-8-11
¥Î¤áµù¥U¤Ñ¼Æ 5024
¥Î¤á¥¢ÂÜ¤Ñ¼Æ 2726
¨Ó¦Û ¥|¦¸¤¸
©Ê§O ¨k¥Í
ª¬ºA Â÷½u
#9
µoªí©ó 2013-2-25 01:02 AM
¸ê®Æ
¤å¶°
µu®ø®§
¤¤¥|¥ò°Ý¤@¤¸¤G¦¸¤èµ{-.-
¤@¤¸¤T¦¸¥Î½¤¤¤G¼Æ³£°µ¨ì°Õ
ªø°£ªk§A¼Æ®t±¡¦³¥iì
(¸Ü»¡¤¤¥|¦h¶µ¦¡ø«Y¤W¾Ç´Á±Ð«§)
YK Forum © All rights reserved.¡@
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ch1997jimmy
(É@·Ç±¡¤HÉ@)
´¶³q·|û
UID 41040
¿n¤À 7729
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YK¹ô 3
©«¤l 177
ºëµØ 0
µù¥U 2011-3-5
¥Î¤áµù¥U¤Ñ¼Æ 4818
¥Î¤á¥¢ÂÜ¤Ñ¼Æ 3238
©Ê§O ¨k¥Í
ª¬ºA Â÷½u
#10
µoªí©ó 2013-2-25 04:32 PM
¸ê®Æ
¤å¶°
µu®ø®§
¦^ÂÐ #9 ss310251 ªº©«¤l
Ó§rsir±Ð±oºC,À³¸Ó¸ÜÊ\±Ð±o¸Ô²Ó¬J.
§Ú³£¸Ü§Úªì¤¤³£øÅ¥®Ñ.©Ò¥HE®a«§³£øÃÑ= =
[
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hh36471288hk
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