math嚙踝蕭嚙瘩
2011-10-13 19:44
wilson29
math嚙踝蕭嚙瘩
6(r-1)^2+8(r-1)
=================
how to do with indentity?
2011-10-13 20:12
a0411047
[quote]嚙趣帖嚙踝蕭 [i]wilson29[/i] 嚙踝蕭 2011-10-13 19:44 嚙緻嚙踝蕭
6(r-1)[color=Red]^[/color]2+8(r-1)
=================
how to do with indentity? [/quote]
嚙踝蕭嚙踝蕭...
2011-10-13 20:23
Reagon嚙皚
嚙稷嚙稻 #1,#2 嚙踝蕭嚙踝蕭嚙締
#2
^2嚙磐嚙磐2嚙踝蕭
#1
indentity X
identity O
2011-10-13 20:23
donaldlau1995
6(r-1)^2+8(r-1)
=6r^2-12r+6+8r-8
=6r^2-4r-2
=2(3r^2-2r-1)
=2(3r+1)(r-1)
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� donaldlau1995 嚙踝蕭 2011-10-13 20:27 嚙編嚙踝蕭 [/i]]
2011-10-13 20:42
akji47
[quote]嚙趣帖嚙踝蕭 [i]wilson29[/i] 嚙踝蕭 2011-10-13 19:44 嚙緻嚙踝蕭
6(r-1)^2+8(r-1)
=================
how to do with indentity? [/quote]
6(r-1)^2+8(r-1)
=6(r-1)(r-1)+8r-8
=(6r-6)(r-1)+8r-8
=6r^2-6r-6r+6+8r-8
=6r^2-4r-2
嚙諒後答嚙踝蕭,嚙稽嚙踝蕭嚙磅嚙糊嚙踝蕭=0 嚙課以嚙緘嚙踝蕭嚙瘤
2011-10-13 21:08
donaldlau1995
嚙稷嚙稻 #5 akji47 嚙踝蕭嚙踝蕭嚙締
嚙賠慣嚙磕嚙璀嚙緯嚙踝蕭簡
2011-10-13 21:23
嚙踝蕭嚙瑾嚙踝蕭
嚙稷嚙稻 #5 akji47 嚙踝蕭嚙踝蕭嚙締
嚙諸記嚙踝蕭2嚙稽嚙踝蕭X嚙諉了
2011-10-13 21:34
akji47
[quote]嚙趣帖嚙踝蕭 [i]嚙踝蕭嚙瑾嚙踝蕭[/i] 嚙踝蕭 2011-10-13 21:23 嚙緻嚙踝蕭
嚙諸記嚙踝蕭2嚙稽嚙踝蕭X嚙諉了 [/quote]
嚙稽嚙踝蕭嚙踝蕭嚙諸在嚙踝蕭嚙踝蕭嚙篌嚙踝蕭嚙瞌嚙踝蕭嚙踝蕭嚙�(嚙緬
嚙踝蕭MI(嚙緬
2011-10-13 21:36
donaldlau1995
嚙稷嚙稻 #8 akji47 嚙踝蕭嚙踝蕭嚙締
mi5嚙踝蕭嚙踝蕭.....
2011-10-13 21:41
嚙踝蕭嚙瑾嚙踝蕭
嚙稷嚙稻 #8 akji47 嚙踝蕭嚙踝蕭嚙締
嚙踝蕭嚙瞎I嚙踝蕭嚙踝蕭
嚙諉且嚙踝蕭嚙踝蕭嚙篁(嚙箠嚙踝蕭)
2011-10-13 21:58
akji47
[quote]嚙趣帖嚙踝蕭 [i]嚙踝蕭嚙瑾嚙踝蕭[/i] 嚙踝蕭 2011-10-13 21:41 嚙緻嚙踝蕭
嚙踝蕭嚙瞎I嚙踝蕭嚙踝蕭
嚙諉且嚙踝蕭嚙踝蕭嚙篁(嚙箠嚙踝蕭) [/quote]
嚙踝蕭嚙豌只攞嚙踝蕭i嚙罷n=k+1嚙箴嚙踝蕭嚙踝蕭(嚙緬
2011-10-13 22:00
donaldlau1995
嚙稷嚙稻 #11 akji47 嚙踝蕭嚙踝蕭嚙締
嚙緻1嚙踝蕭?囧,嚙璀嚙踝蕭嚙踝蕭嚙緝
2011-10-13 22:13
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]donaldlau1995[/i] 嚙踝蕭 2011-10-13 22:00 嚙緻嚙踝蕭
嚙緻1嚙踝蕭?囧,嚙璀嚙踝蕭嚙踝蕭嚙緝 [/quote]
prove嚙踝蕭P(1)嚙踝蕭嚙踝蕭嚙磐2嚙踝蕭嚙踝蕭- -
嚙踝蕭嚙緯睇嚙緘MI, MI嚙箠嚙瘡嚙碼嚙踝蕭n嚙踝蕭
MI mix Trigo嚙踝蕭嚙踝蕭嚙瞋嚙踝蕭嚙諸了- -....
2011-10-13 22:17
嚙趟身嚙踝蕭
6(r-1)^2+8(r-1)
=6r*-12r+6+8r-8
=6r*-4r-2
嚙踝蕭?嚙踝蕭嚙踝蕭嚙踝蕭?
*嚙磐嚙瞌2嚙踝蕭嚙踝蕭
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� 嚙趟身嚙踝蕭 嚙踝蕭 2011-10-13 22:18 嚙編嚙踝蕭 [/i]]
2011-10-13 22:18
receition
mi嚙線嚙磐嚙踝蕭嚙羯~
嚙踝蕭locus嚙踝蕭hihi~~
2011-10-13 22:18
donaldlau1995
嚙稷嚙稻 #13 kimwong3252000 嚙踝蕭嚙踝蕭嚙締
嚙盤嚙踝蕭mi嚙踝蕭嚙羯....5嚙瞌嚙緻嚙踝蕭嚙踝蕭a
2011-10-13 22:19
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]donaldlau1995[/i] 嚙踝蕭 2011-10-13 22:18 嚙緻嚙踝蕭
嚙盤嚙踝蕭mi嚙踝蕭嚙羯....5嚙瞌嚙緻嚙踝蕭嚙踝蕭a [/quote]
嚙踝蕭嚙磐MI嚙諒抬蕭攞嚙踝蕭
嚙諉家dy/dx d嚙踝蕭嚙範嚙踝蕭琣n嚙踝蕭- -
嚙緯嚙踝蕭trigo嚙緝\ _ /
2011-10-13 22:20
donaldlau1995
dydx嚙諒抬蕭嚙緝!
2011-10-13 22:20
嚙趟身嚙踝蕭
嚙諉家嚙請綽蕭uForming a Quadratic Equation with Given Roots嚙緞
嚙踝蕭嚙踝蕭嚙稷嚙踝蕭嚙踝蕭嚙踝蕭...
2011-10-13 22:21
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]donaldlau1995[/i] 嚙踝蕭 2011-10-13 22:20 嚙緻嚙踝蕭
dydx嚙諒抬蕭嚙緝! [/quote]
嚙踝蕭覺嚙踝蕭- -
嚙磅local extrema嚙磅global extrema, 嚙諉家嚙踝蕭d嚙瘢嚙踝蕭rate of change- -....
嚙踝蕭睇嚙諉佗蕭嚙複伐蕭嚙箠嚙瘡嚙緲嚙諸哂
2011-10-13 22:22
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]嚙趟身嚙踝蕭[/i] 嚙踝蕭 2011-10-13 22:20 嚙緻嚙踝蕭
嚙諉家嚙請綽蕭uForming a Quadratic Equation with Given Roots嚙緞
嚙踝蕭嚙踝蕭嚙稷嚙踝蕭嚙踝蕭嚙踝蕭... [/quote]
Quadratic嚙磕嚙踝蕭嚙緹- -
嚙踝蕭嚙盤Quadratic嚙踝蕭嚙磐Maths嚙踝蕭?嚙磐嚙諛ｇ蕭嚙踝蕭嚙瘡
2011-10-13 22:22
嚙趟身嚙踝蕭
嚙複橘蕭嚙踝蕭嚙箭嚙豎歹蕭嚙踝蕭嚙調英嚙踝蕭M嚙諄蛛蕭...
2011-10-13 22:23
donaldlau1995
local extrema嚙踝蕭嚙踝蕭嚙諉伐蕭嚙踝蕭,嚙踝蕭rate of change..........
2011-10-13 22:23
akji47
[quote]嚙趣帖嚙踝蕭 [i]kimwong3252000[/i] 嚙踝蕭 2011-10-13 22:13 嚙緻嚙踝蕭
prove嚙踝蕭P(1)嚙踝蕭嚙踝蕭嚙磐2嚙踝蕭嚙踝蕭- -
嚙踝蕭嚙緯睇嚙緘MI, MI嚙箠嚙瘡嚙碼嚙踝蕭n嚙踝蕭
MI mix Trigo嚙踝蕭嚙踝蕭嚙瞋嚙踝蕭嚙諸了- -.... [/quote]
嚙磐2嚙踝蕭嚙磅嚙踝蕭
嚙踝蕭嚙踝蕭MI嚙誹沒1嚙緘嚙褕解哨蕭嚙踝蕭(嚙緬
2011-10-13 22:24
嚙趟身嚙踝蕭
x*-ax-Bx-aB嚙瞌D
嚙踝蕭嚙踝蕭嚙箴嚙緯嚙踝蕭嚙踝蕭
a+B 嚙瞑 aB 嚙磐嚙碼嚙篁
2011-10-13 22:24
donaldlau1995
Quadratic嚙磐main Maths
嚙踝蕭5嚙踝蕭嚙踝蕭嚙踝蕭嚙褊迎蕭嚙踝蕭
2011-10-13 22:25
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]嚙趟身嚙踝蕭[/i] 嚙踝蕭 2011-10-13 22:22 嚙緻嚙踝蕭
嚙複橘蕭嚙踝蕭嚙箭嚙豎歹蕭嚙踝蕭嚙調英嚙踝蕭M嚙諄蛛蕭... [/quote]
maths嚙踝蕭d key terms嚙瞇嚙緻, 嚙踝蕭l嚙皚嚙箠嚙瘡嚙踝蕭嚙緲
[quote]嚙趣帖嚙踝蕭 [i]akji47[/i] 嚙踝蕭 2011-10-13 22:23 嚙緻嚙踝蕭
嚙磐2嚙踝蕭嚙磅嚙踝蕭
嚙踝蕭嚙踝蕭MI嚙誹沒1嚙緘嚙褕解哨蕭嚙踝蕭(嚙緬 [/quote]
嚙緘嚙瘦嚙磐MI mix Trigo嚙踝蕭嚙踝蕭嚙諉係嚙緘嚙踝蕭嚙踝蕭- -...
嚙緘嚙瘦嚙踝蕭嚙緬嚙皚嚙踝蕭嚙諉可嚙瘡10min嚙踝蕭嚙緘嚙緯
2011-10-13 22:25
donaldlau1995
a+b=-b/a
ab=c/a
嚙磐5嚙磐
2011-10-13 22:25
嚙趟身嚙踝蕭
嚙踝蕭..嚙踝蕭sir嚙諸天在嚙踝蕭 嚙踝蕭sum of roots,product of roots,嚙誹迎蕭嚙踝蕭嚙諉胞嚙誰佗蕭嚙踝蕭嚙踝蕭嚙瘤
2011-10-13 22:26
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]嚙趟身嚙踝蕭[/i] 嚙踝蕭 2011-10-13 22:24 嚙緻嚙踝蕭
x*-ax-Bx-aB嚙瞌D
嚙踝蕭嚙踝蕭嚙箴嚙緯嚙踝蕭嚙踝蕭
a+B 嚙瞑 aB 嚙磐嚙碼嚙篁 [/quote]
a+B 嚙瞑 aB 嚙線嚙踝蕭嚙盤嚙磐嚙瘢嚙踝蕭, 嚙盤嚙踝蕭嚙踝蕭嚙踝蕭
[quote]嚙趣帖嚙踝蕭 [i]donaldlau1995[/i] 嚙踝蕭 2011-10-13 22:24 嚙緻嚙踝蕭
Quadratic嚙磐main Maths
嚙踝蕭5嚙踝蕭嚙踝蕭嚙踝蕭嚙褊迎蕭嚙踝蕭 [/quote]
嚙踝蕭嚙羯嚙踝蕭concept,嚙諸堆蕭嚙瞇ok
2011-10-13 22:26
嚙趟身嚙踝蕭
[quote]嚙趣帖嚙踝蕭 [i]donaldlau1995[/i] 嚙踝蕭 2011-10-13 22:25 嚙緻嚙踝蕭
a+b=-b/a
ab=c/a
嚙磐5嚙磐 [/quote]
嚙踝蕭嚙踝蕭!:1302
嚙豎來改蕭嚙瘡嚙請我數學了A_A
2011-10-13 22:27
donaldlau1995
嚙諸堆蕭嚙瞇ok....嚙踝蕭嚙瞇嚙踝蕭.......
嚙誹數喉蕭5嚙磐嚙緯嚙締
2011-10-13 22:27
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]嚙趟身嚙踝蕭[/i] 嚙踝蕭 2011-10-13 22:25 嚙緻嚙踝蕭
嚙踝蕭..嚙踝蕭sir嚙諸天在嚙踝蕭 嚙踝蕭sum of roots,product of roots,嚙誹迎蕭嚙踝蕭嚙諉胞嚙誰佗蕭嚙踝蕭嚙踝蕭嚙瘤 [/quote]
[quote]嚙趣帖嚙踝蕭 [i]嚙趟身嚙踝蕭[/i] 嚙踝蕭 2011-10-13 22:26 嚙緻嚙踝蕭
嚙踝蕭嚙踝蕭!:1302
嚙豎來改蕭嚙瘡嚙請我數學了A_A [/quote]
嚙緘嚙瘦quadratic嚙璀嚙踝蕭嚙範嚙踝蕭嚙箠嚙踝蕭嚙踝蕭maths嚙璀嚙罵嚙瘦嚙踝蕭- -...
btw嚙踝蕭嚙踝蕭嚙磐嚙諸哨蕭嚙磐嚙踝蕭嚙諉佗蕭嚙稼嚙踝蕭?
2011-10-13 22:27
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]donaldlau1995[/i] 嚙踝蕭 2011-10-13 22:27 嚙緻嚙踝蕭
嚙諸堆蕭嚙瞇ok....嚙踝蕭嚙瞇嚙踝蕭.......
嚙誹數喉蕭5嚙磐嚙緯嚙締 [/quote]
睇example嚙踩本上嚙瞇嚙緩嚙篇嚙箠嚙瘡嚙踝蕭嚙踝蕭j嚙踝蕭嚙踝蕭嚙踝蕭
2011-10-13 22:28
嚙趟身嚙踝蕭
嚙踝蕭嚙諸呢D,嚙踝蕭嚙盤嚙踝蕭嚙踝蕭n嚙璀嚙瞇嚙皚嚙稷嚙踝蕭嚙踝蕭嚙�
嚙磅嚙緯sun*product,嚙踝蕭嚙踝蕭嚙碾嚙踝蕭
2011-10-13 22:30
donaldlau1995
嚙緬嚙瑾嚙罷嚙締嚙璀睇嚙盤嚙窮...
2011-10-13 22:30
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]嚙趟身嚙踝蕭[/i] 嚙踝蕭 2011-10-13 22:28 嚙緻嚙踝蕭
嚙踝蕭嚙諸呢D,嚙踝蕭嚙盤嚙踝蕭嚙踝蕭n嚙璀嚙瞇嚙皚嚙稷嚙踝蕭嚙踝蕭嚙�
嚙磅嚙緯su[color=Red]m[/color]*product,嚙踝蕭嚙踝蕭嚙碾嚙踝蕭 [/quote]
嚙踝蕭嚙緬uadratic嚙線嚙磐睇example嚙瞇嚙諛然嚙罵嚙諸堆蕭, 嚙踝蕭嚙羯嚙緲嚙諸太多
2011-10-13 22:31
嚙趟身嚙踝蕭
嚙瘩嚙踝蕭(嚙穀嚙課來迎蕭@@)
If a and B are the roots of the quadratic equation 4x*+7x-6=0 ,form a quadratic equation in x whose roots are a/(a-2) and B/(B-2)
(嚙誹歹蕭4= =,嚙踝蕭嚙踝蕭嚙踝蕭嚙瞎2嚙瘤)
[[i] 嚙踝蕭嚙踝蕭嚙諒恬蕭嚙� 嚙趟身嚙踝蕭 嚙踝蕭 2011-10-13 22:33 嚙編嚙踝蕭 [/i]]
2011-10-13 22:33
kimwong3252000
[quote]嚙趣帖嚙踝蕭 [i]嚙趟身嚙踝蕭[/i] 嚙踝蕭 2011-10-13 22:31 嚙緻嚙踝蕭
嚙瘩嚙踝蕭(嚙穀嚙課來迎蕭@@)
If a and B are the roots of the quadratic equation 4x*+7x-6=0 ,form a quadratic equation in x whose roots are a/(a-2) and B/(B-2) [/quote]
嚙瞌d嚙踝蕭嚙踝蕭example嚙踝蕭嚙踝蕭嚙緹
2011-10-13 22:35
嚙趟身嚙踝蕭
嚙諸沒嚙踝蕭嚙課子= =嚙誰暈嚙瘤
嚙踝蕭ゴ搌嚙編ir,嚙穀嚙踝蕭嚙趣鬼嚙諒改蕭
嚙璀嚙線嚙磐嚙磐嚙踝蕭r嚙線嚙踝蕭..嚙踝蕭..嚙踝蕭v
嚙踝蕭睇嚙瞎嚙穀嚙瞇嚙緘嚙踝蕭