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Triangel 發表於 2007-4-18 01:26 PM

| TriTri | A-Math 加分題 |

第一個答中有獎$OID9M/^Dm2W

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l(l [color=Blue](x - a) [/color] = x - a
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? [color=Blue](x - a) (x - b)[/color] = x^2 – ax – bx + ab
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G2?9U%S X [color=Blue](x - a) (x - b) (x – c) [/color] =  x^3 – ax^2 – bx^2 – cx^2 + abx + acx + bcx - abc4V"fh7Q3C"a+v%]
[color=Blue](x - a) (x - b) (x – c) (x - d)[/color] = x^4 – ax^3 – bx^3 – cx^3 – abx^2……………….. +abcd \zK(aL`o?*m$K
如此種推，
G%`9W(\7\f [color=Blue](x-a) (x-b) (x-c) (x-d) (x-e)……..(x-z) [/color]= ???
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[[i] Last edited by Triangel on 2007-4-18 at 01:52 PM [/i]]

大大 發表於 2007-4-18 01:41 PM

點解你個問題好似有d問題
3j7["ye*@ [quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
EB'~H W*] (x - a) (x - b) (x – c) =  x^3 – ax^2 – bx^2 – cx^2 [color=red]–[/color] abx + acx + bcx - abc1{$t`!qBz
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[/quote]
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[[i] Last edited by 大大 on 2007-4-18 at 01:54 PM [/i]]

Triangel 發表於 2007-4-18 01:54 PM

[quote]Originally posted by [i]大大[/i] at 2007-4-18 01:41 PM:
*a,M5~UO8UOD 咁難既=.="
h9r'j&K*x8O#E^ x(a)g1W5M
[[i] Last edited by 大大 on 2007-4-18 at 01:52 PM [/i]] [/quote]z/G!G-Za0GC%f

0X)z%e4bde%x+c Thanks! 更正啦

littlenic 發表於 2007-4-18 01:54 PM

[quote]Originally posted by [i]Triangel[/i] at 2007-4-18 01:26 PM:
hhTh,C ?+P 第一個答中有獎YJ]?TJg3Y1C

u"yhPE*O-J'Y"f [color=Blue](x - ... [/quote]
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(x-x)= 0 ，所以答案係0，is it?

大大 發表於 2007-4-18 01:56 PM

[quote]Originally posted by [i]littlenic[/i] at 2007-4-18 01:54 PM:
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(x-x)= 0 ，所以答案係0，is it? [/quote]
eoA)H%uo&MO D :good:fy-K d}+s7klp_`Y

u!R5r)xg+nvi 唔似a.math題Q8I8g~ c4Z+P?
似IQ題=.=@VI9x#|:b
ry0[g

9D&FM!ot dA [[i] Last edited by 大大 on 2007-4-18 at 01:57 PM [/i]]

Triangel 發表於 2007-4-18 01:57 PM

[quote]Originally posted by [i]littlenic[/i] at 2007-4-18 01:54 PM:u]#S-z7@2dZV+r)up3]
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(x-x)= 0 ，所以答案係0，is it? [/quote]6Nho FW8D

AZL,l8X Bingo~

waikong 發表於 2007-4-18 03:53 PM

我係學校個學生會單張見過:haha::haha:SQ)M l#K9s
諗左一陣先諗到

playbr2 發表於 2007-4-18 04:00 PM

我吾識答啊[IMG]http://i72.photobucket.com/albums/i162/xcopy/Monkey/049.gif[/IMG]~~~ [IMG]http://i72.photobucket.com/albums/i162/xcopy/Monkey/022.gif[/IMG]

karen0123 發表於 2007-4-18 05:50 PM

(哭)~~~~~其實我都知係0........._1l6e5i(_5S

e)CGAJ7tX p| 這條問題，貼落吹水版，名副其實:naughty::naughty:
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M R`v3X7Nt!` [[i] Last edited by karen0123 on 2007-4-18 at 05:51 PM [/i]]

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