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Amath�@��(�Y�h���, �����thx


2007-10-10 21:05 �p�a

Amath�@��(�Y�h���, �����thx



Solve : ( 2x - 4 )^2 - 3| x - 2 | - 1 =0

Thx

[[i] �����̫�� �p�a �� 2007-10-10 21:40 �s�� [/i]]

2007-10-10 21:11 �p�a
Push
~~

2007-10-10 21:11 Tiger
�Ǵ��쳣�d���i- -?

2007-10-10 21:12 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:05 �o��
Solve : ( 2x - 4 )�G�� - 3| x - 2 | - 1 =0

Thx [/quote]
�ݺC�Jʨ

�դUlet��|x-2|�j�L����0�P�ӹL����0�A���}�����hʨ

2007-10-10 21:12 wang
�ڬݤ���
�����

2007-10-10 21:12 �p�a
[quote]�쩫�� [i]Tiger[/i] �� 2007-10-10 21:11 �o��
�Ǵ��쳣�d���i- -? [/quote]
�ڳ������I�ѤJ��Amath�Z(�Q��

2007-10-10 21:13 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:12 �o��

�ݺC�Jʨ

�դUlet��|x-2|�j�L����0�P�ӹL����0�A���}�����hʨ [/quote]

No ��case

2007-10-10 21:13 m11
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:05 �o��
Solve : ( 2x - 4 )�G�� - 3| x - 2 | - 1 =0

Thx [/quote]
(2X-4)^2-3|X-2|-1=0

4(X)^2-16X+16-3|X-2|-1=0

4(X)^2-16X+15-3(X-2)=0   ï¿½ï¿½   4(X)^2-16X+15-3(2-X)=0

4(X)^2-16X+15-3X+6=0   ï¿½ï¿½   4(X)^2-16X+15-6+3X=0

4(X)^2-19X+21=0   ï¿½ï¿½    4(X)^2-13X+11=0



�����o��..?(���ڿ��a)

2007-10-10 21:14 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:13 �o��


No ��case [/quote]
�ݧA�N3|x-2|

�ܰ�1.5|2x-4|

2007-10-10 21:14 �p�a
[quote]�쩫�� [i]m11[/i] �� 2007-10-10 21:13 �o��

(2X-4)^2-3|X-2|-1=0

4(X)^2-16X+16-3|X-2|-1=0

4(X)^2-16X+15-3(X-2)=0   ï¿½ï¿½   4(X)^2-16X+15-3(2-X)=0

4(X)^2-16X+15-3X+6=0   ï¿½ï¿½   4(X)^2-16X+15-6+3X=0

4(X)^2-19X+21=0   ï¿½ï¿½    4(X)^2-13X ... [/quote]

���A��()�N���A����

2007-10-10 21:15 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:14 �o��

�ݧA�N3|x-2|

�ܰ�1.5|2x-4| [/quote]

�ڥu�Y�p��O�� :| x - 2|^2 - 3 | x - 2 | - 1 = 0

[[i] �����̫�� �p�a �� 2007-10-10 21:20 �s�� [/i]]

2007-10-10 21:19 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:15 �o��


�ڥu�Y�p��O�� : [b]4 | x - 2|^2[/b] - 3 | x - 2 | - 1 = 0 [/quote]
�O���I��

2007-10-10 21:20 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:19 �o��

�O���I�� [/quote]

�����r=3=

2007-10-10 21:21 m11

��H�б�~~



3| x - 2 |

�O���O

=3X-6   ï¿½ï¿½   6-3X

ʨ?

2007-10-10 21:22 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:20 �o��


�����r=3= [/quote]
���I��2x-4�|����2

2007-10-10 21:23 �p�a
[quote]�쩫�� [i]m11[/i] �� 2007-10-10 21:21 �o��
3| x - 2 |

�O���O

=3X-6   ï¿½ï¿½   6-3X

ʨ? [/quote]

3 | x - 2 |

�N����

3 ( x - 2 ) or 3 ( 2 - x )

2007-10-10 21:23 ���@��
[quote]�쩫�� [i]m11[/i] �� 2007-10-10 21:21 �o��
3| x - 2 |

�O���O

=3X-6   ï¿½ï¿½   6-3X

ʨ? [/quote]
�N�@��1/-1���h�N�|��=]

2007-10-10 21:23 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:22 �o��

���I��2x-4�|����2 [/quote]

�N���G=3=

2007-10-10 21:24 m11
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:23 �o��

�N�@��1/-1���h�N�|��=] [/quote]
�Y�O���F?

2007-10-10 21:25 �p�a
[quote]�쩫�� [i]m11[/i] �� 2007-10-10 21:24 �o��

�Y�O���F? [/quote]

�r�ڧQ

2007-10-10 21:34 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:23 �o��


�N���G=3= [/quote]
���I���ܥ�x-2

2007-10-10 21:34 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:34 �o��

���I���ܥ�x-2 [/quote]

���t�r

2007-10-10 21:36 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:34 �o��


���t�r [/quote]
���t�|�v�T2x-4�ܰ�x-2��ʨ

2007-10-10 21:38 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:36 �o��

���t�|�v�T2x-4�ܰ�x-2��ʨ [/quote]
( 2x - 4 )�G�� - 3| x - 2 | - 1 =0

��G�X����

= [ 2 ( x - 2 ) ]^2 - 3 | x - 2 | - 1 = 0

= 4 | x - 2 | ^ 2 - 3 | x - 2 | - 1 = 0

2007-10-10 21:44 chinlap
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:14 �o��


���A��()�N���A���� [/quote]
���A����N���A�@�w�������/.\

2007-10-10 21:45 �p�a
[quote]�쩫�� [i]chinlap[/i] �� 2007-10-10 21:44 �o��

���A����N���A�@�w�������/.\ [/quote]

�Ѯv�ܥ�comment factor�N�oorz

2007-10-10 21:48 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:38 �o��

( 2x - 4 )�G�� - 3| x - 2 | - 1 =0

��G�X����

= ^2 - 3 | x - 2 | - 1 = 0

= 4 | x - 2 | ^ 2 - 3 | x - 2 | - 1 = 0 [/quote]
��-.-[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:15 �o��


�ڥu�Y�p��O�� :| x - 2|^2 - 3 | x - 2 | - 1 = 0 [/quote]

2007-10-10 21:49 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:48 �o��

��-.- [/quote]

�U�����ڥ���...ʨ

2007-10-10 21:52 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:49 �o��


�U�����ڥ���...ʨ [/quote]
fake��

2007-10-10 21:57 chinlap
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:45 �o��


�Ѯv�ܥ�comment factor�N�oorz [/quote]
�@��absolute���줣�ηQ�ݺ�/.\
�̭��θ������k,�N���蠟�~�������h�t�@��,�i�}����,���,KO/.\

2007-10-10 21:59 �p�a
[quote]�쩫�� [i]chinlap[/i] �� 2007-10-10 21:57 �o��

�@��absolute���줣�ηQ�ݺ�/.\
�̭��θ������k,�N���蠟�~�������h�t�@��,�i�}����,���,KO/.\ [/quote]

�i���i�H�p�@�����ڻ~

2007-10-10 21:59 ���@��
[quote]�쩫�� [i]chinlap[/i] �� 2007-10-10 21:57 �o��

�@��absolute���줣�ηQ�ݺ�/.\
�̭��θ������k,�N���蠟�~�������h�t�@��,�i�}����,���,KO/.\ [/quote]
(2x-4)^2-3|x-2|=1

������=^=

2007-10-10 22:02 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 21:59 �o��

(2x-4)^2-3|x-2|=1

������=^= [/quote]

+1

�ڥ��ѩ�||

2007-10-10 22:03 chinlap
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 21:05 �o��
Solve : ( 2x - 4 )^2 - 3| x - 2 | - 1 =0

Thx [/quote]
4x2-16x+16-1=3|x-2|
(4x2-16x+15)/3=|x-2|
x-2=-(4x2-16+15)/3   or   x-2=(4x2-16+15)/3
..........
..........
,.......
ans

2007-10-10 22:09 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 22:02 �o��


+1

�ڥ��ѩ�|| [/quote]
�A�Y������4(x-2)^2-3|x-2|-1=0

�Y�Y4|x-2|^2-3|x-2|-1=0

�n�������츨�h-.-?

2007-10-10 22:10 ���@��
[quote]�쩫�� [i]chinlap[/i] �� 2007-10-10 22:03 �o��

4x2-16x+16-1=3|x-2|
(4x2-16x+15)/3=|x-2|
x-2=-(4x2-16+15)/3   or   x-2=(4x2-16+15)/3
..........
..........
,.......
ans [/quote]
�A�|�O�H�~�|x�P����ʨ

2007-10-10 22:11 �p�a
[quote]�쩫�� [i]chinlap[/i] �� 2007-10-10 22:03 �o��

4x2-16x+16-1=3|x-2|
(4x2-16x+15)/3=|x-2|
x-2=-(4x2-16+15)/3   or   x-2=(4x2-16+15)/3
..........
..........
,.......
ans [/quote]
�p����ʨ

2007-10-10 22:11 �p�a
[quote]�쩫�� [i]���@��[/i] �� 2007-10-10 22:09 �o��

�A�Y������4(x-2)^2-3|x-2|-1=0

�Y�Y4|x-2|^2-3|x-2|-1=0

�n�������츨�h-.-? [/quote]

��D�P�ǰ���ʨ
�\�a��comment factorʨ

2007-10-10 22:12 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 22:11 �o��

�p����ʨ [/quote]
�Y�G�ӭt���Ӥ��l�Y�Yreject�o

�᭱�G�ӴN����,���@�����N����

2007-10-10 22:12 ���@��
[quote]�쩫�� [i]�p�a[/i] �� 2007-10-10 22:11 �o��


��D�P�ǰ���ʨ
�\�a��comment factorʨ [/quote]
���A��ť���h��-.-?

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